Works (99)

Updated: July 26th, 2023 19:25

2022 article

Group sequential methods for interim monitoring of randomized clinical trials with time-lagged outcome

Tsiatis, A. A., & Davidian, M. (2022, September 18). STATISTICS IN MEDICINE, Vol. 9.

By: A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: augmented inverse probability weighting; early stopping; influence function; proportion of information
MeSH headings : Humans; Randomized Controlled Trials as Topic; Odds Ratio; Research Design
Sources: Web Of Science, ORCID
Added: October 3, 2022

2021 review

Data and Safety Monitoring of COVID-19 Vaccine Clinical Trials

[Review of ]. JOURNAL OF INFECTIOUS DISEASES, 224(12), 1995โ€“2000.

By: S. Joffeโ€‰*, A. Babikerโ€‰*, S. Ellenbergโ€‰*, A. Fixโ€‰*, M. Griffinโ€‰*, S. Hunsbergerโ€‰*, J. Kalil*, M. Levineโ€‰* ...

co-author countries: Brazil ๐Ÿ‡ง๐Ÿ‡ท United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: SARS-CoV-2; COVID19; clinical trials; vaccines; data and safety monitoring
MeSH headings : Aged; COVID-19 / prevention & control; COVID-19 Vaccines / administration & dosage; COVID-19 Vaccines / adverse effects; COVID-19 Vaccines / immunology; Humans; SARS-CoV-2; United States; Vaccines
Source: Web Of Science
Added: February 28, 2022

2021 article

Estimating vaccine efficacy over time after a randomized study is unblinded

Tsiatis, A. A., & Davidian, M. (2021, August 13). BIOMETRICS, Vol. 8.

By: A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: crossover; inverse probability weighting; potential outcomes; randomized phase 3 vaccine trial; waning vaccine efficacy
MeSH headings : COVID-19 / prevention & control; COVID-19 Vaccines; Humans; Pandemics / prevention & control; Randomized Controlled Trials as Topic; Research Design; SARS-CoV-2; Vaccine Efficacy
Sources: Web Of Science, ORCID
Added: August 23, 2021

2021 article

Estimation of the odds ratio in a proportional odds model with censored time-lagged outcome in a randomized clinical trial

Tsiatis, A. A., Davidian, M., & Holloway, S. T. (2021, December 17). BIOMETRICS, Vol. 12.

By: A. Tsiatis n, M. Davidian nโ€‰ & S. Holloway n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: augmented inverse probability weighting; censored ordinal categorical outcome; covariate adjustment; COVID-19 treatment; estimating function; marked point process
Sources: Web Of Science, ORCID
Added: December 17, 2021

2021 article

Rejoinder: Estimating vaccine efficacy over time after a randomized study is unblinded

Tsiatis, A. A., & Davidian, M. (2021, August 22). BIOMETRICS, Vol. 8.

By: A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Randomized Controlled Trials as Topic; Vaccine Efficacy
Sources: Web Of Science, ORCID
Added: August 30, 2021

2021 article

Risks associated with discontinuation of oral anticoagulation in newly diagnosed patients with atrial fibrillation: Results from the GARFIELD-AF Registry

Cools, F., Johnson, D., Camm, A. J., Bassand, J.-P., Verheugt, F. W. A., Yang, S., โ€ฆ Kakkar, A. K. (2021, July 23). JOURNAL OF THROMBOSIS AND HAEMOSTASIS, Vol. 7.

By: F. Cools*, D. Johnsonโ€‰ n, A. Camm*, J. Bassandโ€‰*, F. Verheugtโ€‰*, S. Yang nโ€‰, A. Tsiatis n, D. Fitzmaurice* ...

co-author countries: Belgium ๐Ÿ‡ง๐Ÿ‡ช Canada ๐Ÿ‡จ๐Ÿ‡ฆ Germany ๐Ÿ‡ฉ๐Ÿ‡ช United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง Japan ๐Ÿ‡ฏ๐Ÿ‡ต Netherlands ๐Ÿ‡ณ๐Ÿ‡ฑ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: anticoagulation; antiplatelet; atrial fibrillation; discontinuation; marginal structure models; outcomes
MeSH headings : Administration, Oral; Anticoagulants / adverse effects; Atrial Fibrillation / complications; Atrial Fibrillation / diagnosis; Atrial Fibrillation / drug therapy; Humans; Registries; Risk Factors; Stroke / diagnosis; Stroke / etiology; Stroke / prevention & control
Sources: Web Of Science, ORCID
Added: August 2, 2021

2020 review

Independent increments in group sequential tests: a review

[Review of ]. SORT-STATISTICS AND OPERATIONS RESEARCH TRANSACTIONS, 44(2), 223โ€“264.

By: K. Kim & A. Tsiatis

author keywords: Failure time data; interim analysis; longitudinal data; clinical trials; repeated significance tests; sequential methods
Source: Web Of Science
Added: January 25, 2021

2019 review

Application of a sequential multiple assignment randomized trial (SMART) design in older patients with chronic lymphocytic leukemia

[Review of ]. ANNALS OF ONCOLOGY, 30(4), 542โ€“550.

By: A. Ruppertโ€‰*, J. Yin, M. Davidian nโ€‰, A. Tsiatis n, J. Byrdโ€‰*, J. Woyachโ€‰*, S. Mandrekar

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: SMART; CLL; design strategies; adaptive interventions; randomized clinical trials
MeSH headings : Age Factors; Aged; Antineoplastic Combined Chemotherapy Protocols / therapeutic use; Data Analysis; Disease Progression; Feasibility Studies; Humans; Leukemia, Lymphocytic, Chronic, B-Cell / drug therapy; Leukemia, Lymphocytic, Chronic, B-Cell / mortality; Progression-Free Survival; Randomized Controlled Trials as Topic; Research Design; Sample Size
Sources: Web Of Science, ORCID
Added: June 17, 2019

2019 book

Dynamic Treatment Regimes

By: A. Tsiatis*, M. Davidian, S. Holloway* & E. Laber*

Source: Crossref
Added: January 22, 2022

2019 journal article

Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes

DIABETES CARE, 42(2), 192โ€“199.

By: T. Trioloโ€‰*, A. Fouts*, L. Pyle*, L. Yuโ€‰*, P. Gottliebโ€‰*, A. Steckโ€‰*, C. Greenbaum, M. Atkinson ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Adolescent; Adult; Autoantibodies / analysis; Autoantibodies / blood; Autoimmunity / genetics; Autoimmunity / physiology; Child; Child, Preschool; Diabetes Mellitus, Type 1 / diagnosis; Diabetes Mellitus, Type 1 / epidemiology; Diabetes Mellitus, Type 1 / genetics; Diabetes Mellitus, Type 1 / prevention & control; Disease Progression; Diseases in Twins / diagnosis; Diseases in Twins / epidemiology; Diseases in Twins / genetics; Diseases in Twins / immunology; Environment; Female; Genetic Predisposition to Disease; Glutamate Decarboxylase / immunology; Humans; Insulin / metabolism; Islets of Langerhans / immunology; Male; Mass Screening / methods; Risk Factors; Seroepidemiologic Studies; Siblings; Twins / genetics; Twins, Dizygotic / genetics; Twins, Dizygotic / statistics & numerical data; Twins, Monozygotic / genetics; Twins, Monozygotic / statistics & numerical data; Young Adult
Source: Web Of Science
Added: April 20, 2020

2018 journal article

Interpretable Dynamic Treatment Regimes

JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 113(524), 1541โ€“1549.

By: Y. Zhang*, E. Laber n, M. Davidian nโ€‰ & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Decision lists; Interpretability; Precision medicine; Research-practice gap; Treatment regimes; Tree-based methods
Sources: Web Of Science, ORCID
Added: February 18, 2019

2018 journal article

Modeling survival distribution as a function of time to treatment discontinuation: A dynamic treatment regime approach

BIOMETRICS, 74(3), 900โ€“909.

By: S. Yang nโ€‰, A. Tsiatis n & M. Blazing*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Dynamic treatment; Inverse weighting; Observational study; Survival distribution; Time-varying confounding; Treatment discontinuation
MeSH headings : Cardiovascular Diseases / therapy; Computer Simulation; Humans; Kaplan-Meier Estimate; Models, Statistical; Survival Analysis; Time-to-Treatment; Withholding Treatment / statistics & numerical data
Sources: Web Of Science, ORCID
Added: October 16, 2018

2018 journal article

Optimal two-stage dynamic treatment regimes from a classification perspective with censored survival data

BIOMETRICS, 74(4), 1180โ€“1192.

By: R. Hager*, A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Doubly robust; Inverse probability weighting; Optimal treatment regime; Sequential multiple assignment randomized trial; Support vector machine; Value search
MeSH headings : Acute Disease; Algorithms; Biometry / methods; Computer Simulation; Decision Support Techniques; Humans; Leukemia; Outcome Assessment, Health Care / methods; Outcome Assessment, Health Care / standards; Randomized Controlled Trials as Topic; Support Vector Machine; Survival Analysis
Sources: Web Of Science, ORCID
Added: February 25, 2019

2017 journal article

Effect of oral insulin on prevention of diabetes in relatives of patients with type 1 diabetes a randomized clinical trial

Journal of the American Medical Association, 318(19), 1891โ€“1902.

By: C. Greenbaum, M. Atkinson, D. Baidal, M. Battaglia, P. Bingley, E. Bosi, J. Buckner, M. Clements ...

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Optimal treatment regimes for survival endpoints using locally-efficient doubly-robust estimator from a classification perspective

Lifetime Data Analysis, 23(4), 585โ€“604.

By: X. Bai n, A. Tsiatis n, W. Lu n & R. Song nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Classification; Doubly-robust; Observational survival study; Optimal treatment regime; Value search
MeSH headings : Computer Simulation; Coronary Artery Bypass; Coronary Artery Disease / mortality; Coronary Artery Disease / therapy; Decision Making; Humans; Life Tables; Models, Statistical; Monte Carlo Method; Percutaneous Coronary Intervention; Survival Analysis; Treatment Outcome
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Survival benefit of lung transplantation in the modern era of lung allocation

Annals of the American Thoracic Society, 14(2), 172โ€“181.

By: D. Vock, M. Durheim, W. Tsuang, C. Copeland, A. Tsiatis, M. Davidianโ€‰, M. Neely, D. Lederer, S. Palmer

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

A log rank type test in observational survival studies with stratified sampling

LIFETIME DATA ANALYSIS, 22(2), 280โ€“298.

By: X. Bai n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Cox proportional hazards model; Log rank test; Observational study; Stratified sampling; Survival analysis
MeSH headings : Computer Simulation; Coronary Artery Disease / mortality; Coronary Artery Disease / therapy; Humans; Models, Statistical; Observational Studies as Topic / statistics & numerical data; Probability; Proportional Hazards Models; Sampling Studies; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2016 article

Estimating optimal treatment regimes from a classification perspective (vol 1, pg 103, 2012)

STAT, Vol. 5, pp. 278โ€“278.

By: B. Zhang*, A. Tsiatis n, M. Davidian nโ€‰, M. Zhangโ€‰* & E. Laber n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Estimation After a Group Sequential Trial

STATISTICS IN BIOSCIENCES, 7(2), 187โ€“205.

By: E. Milanziโ€‰*, G. Molenberghsโ€‰*, A. Alonso*, M. Kenward*, A. Tsiatis n, M. Davidian nโ€‰, G. Verbekeโ€‰*

co-author countries: Belgium ๐Ÿ‡ง๐Ÿ‡ช United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง Netherlands ๐Ÿ‡ณ๐Ÿ‡ฑ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Exponential family; Frequentist inference; Generalized sample average; Joint modeling; Likelihood inference; Missing at random; Sample average
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Using Decision Lists to Construct Interpretable and Parsimonious Treatment Regimes

BIOMETRICS, 71(4), 895โ€“904.

By: Y. Zhang n, E. Laber n, A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Decision lists; Exploratory analyses; Interpretability; Personalized medicine; Treatment regimes
MeSH headings : Biometry / methods; Breast Neoplasms / drug therapy; Clinical Protocols; Clinical Trials as Topic / statistics & numerical data; Computer Simulation; Decision Trees; Depression / therapy; Evidence-Based Medicine / statistics & numerical data; Female; Humans; Models, Statistical; Precision Medicine / statistics & numerical data
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Using pilot data to size a two-arm randomized trial to find a nearly optimal personalized treatment strategy

Statistics in Medicine, 35(8), 1245โ€“1256.

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง
author keywords: personalized medicine; sample size calculation; treatment regimes; nonregular asymptotics; projection confidence region
MeSH headings : Biostatistics; Computer Simulation; Confidence Intervals; Data Interpretation, Statistical; Evidence-Based Practice / statistics & numerical data; Female; Fertility; Humans; Male; Models, Statistical; Pilot Projects; Precision Medicine / statistics & numerical data; Pregnancy; Randomized Controlled Trials as Topic / statistics & numerical data; Regression Analysis; Sample Size
Sources: Crossref, Web Of Science, ORCID
Added: August 6, 2018

2014 article

Combining Biomarkers to Optimize Patient Treatment Recommendations Discussions

Laber, E. B., Tsiatis, A. A., Davidian, M., & Holloway, S. T. (2014, September). BIOMETRICS, Vol. 70, pp. 707โ€“710.

By: E. Laber n, A. Tsiatis n, M. Davidian nโ€‰ & S. Holloway n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Biomarkers, Tumor / blood; Biometry / methods; Breast Neoplasms / blood; Breast Neoplasms / therapy; Data Interpretation, Statistical; Female; Humans; Male; Outcome Assessment, Health Care / methods
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

On random sample size, ignorability, ancillarity, completeness, separability, and degeneracy: Sequential trials, random sample sizes, and missing data

STATISTICAL METHODS IN MEDICAL RESEARCH, 23(1), 11โ€“41.

co-author countries: Belgium ๐Ÿ‡ง๐Ÿ‡ช United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง Netherlands ๐Ÿ‡ณ๐Ÿ‡ฑ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Frequentist inference; generalized sample average; informative cluster size; joint modeling; likelihood inference; missing at random; random cluster size
MeSH headings : Likelihood Functions; Models, Statistical; Probability; Sample Size
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Q- and A-Learning Methods for Estimating Optimal Dynamic Treatment Regimes

STATISTICAL SCIENCE, 29(4), 640โ€“661.

By: P. Schulteโ€‰*, A. Tsiatis n, E. Laber n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Advantage learning; bias-variance trade-off; model misspecification; personalized medicine; potential outcomes; sequential decision-making
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Assessing the Causal Effect of Organ Transplantation on the Distribution of Residual Lifetime

BIOMETRICS, 69(4), 820โ€“829.

By: D. Vockโ€‰*, A. Tsiatis n, M. Davidian nโ€‰, E. Laber n, W. Tsuangโ€‰*, C. Copeland*, S. Palmerโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Causal inference; G-estimation; Lung transplantation; Martingale theory; Structural nested failure time models
MeSH headings : Adolescent; Adult; Age Distribution; Aged; Aged, 80 and over; Causality; Data Interpretation, Statistical; Humans; Internationality; Life Expectancy; Lung Diseases / mortality; Lung Diseases / surgery; Lung Transplantation / mortality; Middle Aged; Outcome Assessment, Health Care / methods; Survival Rate; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Doubly-Robust Estimators of Treatment-Specific Survival Distributions in Observational Studies with Stratified Sampling

BIOMETRICS, 69(4), 830โ€“839.

By: X. Bai n, A. Tsiatis n & . Sean M. O'Brien*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Cox proportional hazard model; Double robustness; Observational study; Stratified sampling; Survival analysis
MeSH headings : Coronary Artery Disease / mortality; Coronary Artery Disease / surgery; Data Interpretation, Statistical; Humans; Observational Studies as Topic / methods; Outcome Assessment, Health Care / methods; Prevalence; Reproducibility of Results; Sample Size; Sensitivity and Specificity; Statistical Distributions; Survival Analysis; Treatment Outcome; United States / epidemiology
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Efficient estimation of the distribution of time to composite endpoint when some endpoints are only partially observed

LIFETIME DATA ANALYSIS, 19(4), 513โ€“546.

By: R. Daniel* & A. Tsiatis n

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Augmented inverse probability weighted estimator; Composite endpoint; Missing data; Nelson-Aalen estimator; Semi-parametric efficiency; Withdrawal
MeSH headings : Biostatistics; Clinical Trials as Topic / statistics & numerical data; Computer Simulation; Endpoint Determination / statistics & numerical data; Humans; Linear Models; Longitudinal Studies; Models, Statistical; Proportional Hazards Models; Registries / statistics & numerical data; Statistics, Nonparametric; Time Factors
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Robust estimation of optimal dynamic treatment regimes for sequential treatment decisions

BIOMETRIKA, 100(3), 681โ€“694.

By: B. Zhang*, A. Tsiatis n, E. Laber n & M. Davidian nโ€‰

co-author countries: China ๐Ÿ‡จ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: A-learning; Double robustness; Outcome regression; Propensity score; Q-learning
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

A Robust Method for Estimating Optimal Treatment Regimes

BIOMETRICS, 68(4), 1010โ€“1018.

By: B. Zhang n, A. Tsiatis n, E. Laber n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Doubly robust estimator; Inverse probability weighting; Outcome regression; Personalized medicine; Potential outcomes; Propensity score
MeSH headings : Breast Neoplasms / epidemiology; Breast Neoplasms / therapy; Clinical Trials as Topic / methods; Computer Simulation; Decision Support Systems, Clinical; Female; Humans; Models, Statistical; Outcome Assessment, Health Care / methods; Prevalence; Regression Analysis; Treatment Outcome
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Estimating optimal treatment regimes from a classification perspective

Stat, 1(1), 103โ€“114.

By: B. Zhang*, A. Tsiatis n, M. Davidian nโ€‰, M. Zhangโ€‰* & E. Laber n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: classification; doubly robust estimator; inverse probability weighting; personalized medicine; potential outcomes; propensity score
Sources: Crossref, ORCID
Added: January 23, 2020

2012 journal article

Mixed model analysis of censored longitudinal data with flexible random-effects density

BIOSTATISTICS, 13(1), 61โ€“73.

By: D. Vock n, M. Davidian nโ€‰, A. Tsiatis n & A. Muirโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Censoring; HCV; HIV; Limit of quantification; Longitudinal data; Random effects
MeSH headings : Antiviral Agents / therapeutic use; Bias; Biostatistics; Data Interpretation, Statistical; Hepatitis C / drug therapy; Hepatitis C / virology; Humans; Interferon-alpha / therapeutic use; Linear Models; Longitudinal Studies; Models, Statistical; Statistics, Nonparametric; Viral Load / drug effects
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Connections between survey calibration estimators and semiparametric models for incomplete data discussion

International Statistical Review, 79(2), 221โ€“223.

By: A. Tsiatis & M. Davidianโ€‰

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Improved Doubly Robust Estimation When Data Are Monotonely Coarsened, with Application to Longitudinal Studies with Dropout

BIOMETRICS, 67(2), 536โ€“545.

By: A. Tsiatis n, M. Davidian nโ€‰ & W. Caoโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Coarsening at random; Discrete hazard; Dropout; Longitudinal data; Missing at random
MeSH headings : Acquired Immunodeficiency Syndrome; Biometry / methods; Computer Simulation; Humans; Longitudinal Studies; Models, Statistical; Statistical Distributions
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Inference on treatment effects from a randomized clinical trial in the presence of premature treatment discontinuation: the SYNERGY trial

BIOSTATISTICS, 12(2), 258โ€“269.

By: M. Zhang*, A. Tsiatis n, M. Davidian nโ€‰, K. Pieper* & K. Mahaffeyโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Dynamic treatment regime; Inverse probability weighting; Potential outcomes; Proportional hazards model
MeSH headings : Acute Coronary Syndrome / drug therapy; Algorithms; Computer Simulation; Endpoint Determination; Enoxaparin / administration & dosage; Enoxaparin / adverse effects; Enoxaparin / therapeutic use; Hemorrhage / etiology; Heparin / administration & dosage; Heparin / adverse effects; Heparin / therapeutic use; Humans; Intention to Treat Analysis; Models, Statistical; Monte Carlo Method; Mortality; Multicenter Studies as Topic; Probability; Proportional Hazards Models; Randomized Controlled Trials as Topic / methods; Survival Analysis; Treatment Outcome; Withholding Treatment / statistics & numerical data
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Semiparametric estimation of treatment effect with time-lagged response in the presence of informative censoring

LIFETIME DATA ANALYSIS, 17(4), 566โ€“593.

By: X. Luโ€‰* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Informative censoring; Influence function; Logrank test; Nuisance tangent space; Proportional hazards model; Regular and asymptotically linear estimators
MeSH headings : Anti-HIV Agents / administration & dosage; Anti-HIV Agents / therapeutic use; CD4 Lymphocyte Count; Data Interpretation, Statistical; HIV / growth & development; HIV Infections / drug therapy; Humans; Models, Statistical; Randomized Controlled Trials as Topic / methods; Treatment Outcome
Source: Web Of Science
Added: August 6, 2018

2010 journal article

A Generalized Estimator of the Attributable Benefit of an Optimal Treatment Regime

BIOMETRICS, 66(2), 512โ€“522.

By: J. Brinkley*, A. Tsiatis n & K. Anstromโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Attributable risk (AR); Causal inference; Influence function; Optimal treatment regime
MeSH headings : Algorithms; Cardiac Catheterization; Combined Modality Therapy; Coronary Artery Bypass; Humans; Methods; Observation; Precision Medicine / methods; Regression Analysis; Risk Assessment
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Multiple Imputation Approaches for the Analysis of Dichotomized Responses in Longitudinal Studies with Missing Data

BIOMETRICS, 66(4), 1202โ€“1208.

By: K. Luโ€‰*, L. Jiang & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Logistic regression; Missing data; Multiple imputation; Repeated measures
MeSH headings : Bayes Theorem; Biometry / methods; Humans; Likelihood Functions; Logistic Models; Longitudinal Studies / statistics & numerical data; Time Factors
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Improving efficiency and robustness of the doubly robust estimator for a population mean with incomplete data

BIOMETRIKA, 96(3), 723โ€“734.

By: W. Cao n, A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Causal inference; Enhanced propensity score model; Missing at random; No unmeasured confounders; Outcome regression
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 article

Covariate adjustment for two-sample treatment comparisons in randomized clinical trials: A principled yet flexible approach

Tsiatis, A. A., Davidian, M., Zhang, M., & Lu, X. (2008, October 15). STATISTICS IN MEDICINE, Vol. 27, pp. 4658โ€“4677.

By: A. Tsiatis n, M. Davidian nโ€‰, M. Zhang n & X. Luโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: baseline variables; clinical trials; covariate adjustment; efficiency; semiparametric theory; variable selection
MeSH headings : Algorithms; Data Interpretation, Statistical; Humans; Randomized Controlled Trials as Topic / statistics & numerical data; Sampling Studies; Statistics, Nonparametric; Treatment Outcome
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Empirical estimation of life expectancy from large clinical trials: Use of left-truncated, right-censored survival analysis methodology

STATISTICS IN MEDICINE, 27(26), 5525โ€“5555.

By: C. Nelson, J. Sun, A. Tsiatis* & D. Mark

author keywords: life expectancy; cost-effectiveness; methods; clinical trials; survival
MeSH headings : Adult; Aged; Aged, 80 and over; Cardiovascular Diseases / economics; Cardiovascular Diseases / epidemiology; Cerebrovascular Disorders / economics; Cerebrovascular Disorders / epidemiology; Cohort Studies; Cost-Benefit Analysis; Female; Health Care Costs; Humans; Life Expectancy; Male; Markov Chains; Middle Aged; Models, Statistical; Observation; Proportional Hazards Models; Randomized Controlled Trials as Topic / methods; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Improving efficiency of inferences in randomized clinical trials using auxiliary covariates

BIOMETRICS, 64(3), 707โ€“715.

By: M. Zhang n, A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: covariate adjustment; hypothesis test; k-arm trial; Kruskal-Wallis test; log odds ratio; longitudinal data; semiparametric theory
MeSH headings : Acquired Immunodeficiency Syndrome / drug therapy; Analysis of Variance; Angina, Unstable / blood; Angina, Unstable / drug therapy; Anti-HIV Agents / therapeutic use; Anticoagulants / therapeutic use; Biometry / methods; Humans; Linear Models; Logistic Models; Models, Statistical; Monte Carlo Method; Odds Ratio; Platelet Glycoprotein GPIIb-IIIa Complex / metabolism; Randomized Controlled Trials as Topic / statistics & numerical data; Treatment Outcome
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Improving the efficiency of the log-rank test using auxiliary covariates

BIOMETRIKA, 95(3), 679โ€“694.

By: X. Luโ€‰* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: efficient estimator; influence function; log-rank test; nuisance tangent space; proportional hazard model; regular and asymptotically linear estimator
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Optimal two-stage group-sequential designs

JOURNAL OF STATISTICAL PLANNING AND INFERENCE, 138(2), 489โ€“499.

By: Y. Lokhnygina* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: adaptive; backward induction; group-sequential; optimal design; two-stage
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Quality of life with defibrillator therapy or amiodarone in heart failure

NEW ENGLAND JOURNAL OF MEDICINE, 359(10), 999โ€“1008.

By: D. Markโ€‰*, K. Anstrom*, J. Sunโ€‰*, N. Clapp-Channing*, A. Tsiatis n, L. Davidson-Rayโ€‰*, K. Lee*, G. Bardy*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Activities of Daily Living; Adult; Amiodarone / therapeutic use; Anti-Arrhythmia Agents / therapeutic use; Defibrillators, Implantable / adverse effects; Drug Therapy, Combination; Female; Follow-Up Studies; Heart Failure / drug therapy; Heart Failure / mortality; Heart Failure / psychology; Heart Failure / therapy; Humans; Male; Quality of Life; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Adaptive two-stage designs in phase II clinical trials

STATISTICS IN MEDICINE, 25(19), 3382โ€“3395.

By: A. Banerjeeโ€‰ n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: two-stage adaptive design; backward induction; Bayesian decision theory; simulated annealing
MeSH headings : Clinical Trials, Phase II as Topic / methods; Humans; Research Design; Sample Size
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Cost-effectiveness of defibrillator therapy or amiodarone in chronic stable heart failure - Results from the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT)

CIRCULATION, 114(2), 135โ€“142.

By: D. Markโ€‰ n, C. Nelson n, K. Anstromโ€‰ n, S. Al-Khatibโ€‰ n, A. Tsiatis n, P. Cowper n, N. Clapp-Channing n, L. Davidson-Rayโ€‰ n ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: amiodarone; defibrillators, implantable; heart failure, congestive; quality-adjusted life years; cost-benefit analysis
MeSH headings : Adult; Cost-Benefit Analysis; Death, Sudden, Cardiac / epidemiology; Defibrillators, Implantable / economics; Electroshock; Equipment Design; Heart Failure / surgery; Humans; Medical Records; Randomized Controlled Trials as Topic / economics; Retrospective Studies; Treatment Outcome; United States / epidemiology
Source: Web Of Science
Added: August 6, 2018

2006 article

Information-based monitoring of clinical trials

Tsiatis, A. A. (2006, October 15). STATISTICS IN MEDICINE, Vol. 25, pp. 3236โ€“3244.

By: A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: group-sequential test; statistical information
MeSH headings : Clinical Trials Data Monitoring Committees; Clinical Trials as Topic / methods; Clinical Trials as Topic / standards; Clinical Trials as Topic / statistics & numerical data; Humans; Sample Size
Source: Web Of Science
Added: August 6, 2018

2006 journal article

On closed form semiparametric estimators for measurement error models

Statistica Sinica, 16(1), 183โ€“193.

By: Y. Ma & A. Tsiatis

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Semiparametric efficient estimation of survival distributions in two-stage randomisation designs in clinical trials with censored data

BIOMETRIKA, 93(1), 163โ€“177.

By: A. Wahedโ€‰* & A. Tsiatis*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: censoring; influence function; inverse probability weighted estimator; potential outcome; regular asymptotically linear estimator; two-stage design
Source: Web Of Science
Added: August 6, 2018

2006 book

Semiparametric theory and missing data

New York: Springer.

By: A. Tsiatis

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Semiparametric transformation models for the case-cohort study

BIOMETRIKA, 93(1), 207โ€“214.

By: W. Lu n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: case-cohort design; martingale; transformation model; weighted estimating equation
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Comparison between two partial likelihood approaches for the competing risks model with missing cause of failure

LIFETIME DATA ANALYSIS, 11(1), 29โ€“40.

By: K. Lu* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cause-specific hazard; martingale; missing at random; semiparametric efficiency
MeSH headings : Cause of Death; Humans; Life Tables; Likelihood Functions; Models, Statistical; Proportional Hazards Models; Risk; Risk Assessment; Sensitivity and Specificity; Survival Analysis; United States
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Conducting economic evaluations alongside multinational clinical trials: Toward a research consensus

AMERICAN HEART JOURNAL, 149(3), 434โ€“443.

By: S. Reedโ€‰*, K. Anstromโ€‰*, A. Bakhaiโ€‰*, A. Briggsโ€‰*, R. Califfโ€‰*, D. Cohenโ€‰*, M. Drummondโ€‰*, H. Glick* ...

co-author countries: Canada ๐Ÿ‡จ๐Ÿ‡ฆ United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง Israel ๐Ÿ‡ฎ๐Ÿ‡ฑ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Clinical Trials as Topic / economics; Clinical Trials as Topic / methods; Clinical Trials as Topic / trends; Costs and Cost Analysis / classification; Forecasting; Health Care Costs / classification; Health Resources / economics; Humans; Internationality; Multicenter Studies as Topic / economics; Multicenter Studies as Topic / methods; Multicenter Studies as Topic / trends; Research Design; Resource Allocation / methods; Terminology as Topic; Treatment Outcome; United States
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Locally efficient semiparametric estimators for generalized skew-elliptical distributions

JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 100(471), 980โ€“989.

By: Y. Maโ€‰ n, M. Gentonโ€‰ n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: generalized skew-elliptical distribution; influence function; nuisance tangent space; selection model; semiparametric efficiency
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Locally-efficient robust estimation of haplotype-disease association in family-based studies

BIOMETRIKA, 92(3), 559โ€“571.

By: A. Allen, G. Satten & A. Tsiatis*

author keywords: family-based association study; haplotype; nuisance parameter
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Semiparametric estimation of treatment effect in a pretest-posttest study with missing data

Statistical Science, 20(3), 261โ€“282.

By: M. Davidianโ€‰, A. Tsiatis & S. Leon

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Semiparametric estimators for the regression coefficients in the linear transformation competing risks model with missing cause of failure

BIOMETRIKA, 92(4), 875โ€“891.

By: G. Gao & A. Tsiatis*

author keywords: cause-specific hazard; competing risks; doubly robust; inverse probability weighted; linear transformation model; missing at random
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Semiparametric inference in observational duration-response studies, with duration possibly right-censored

BIOMETRIKA, 92(3), 605โ€“618.

By: B. Johnson* & A. Tsiatis*

author keywords: confounding; infusion trial; missing data; survival analysis
Source: Web Of Science
Added: August 6, 2018

2005 article

Statistical issues arising in the Women's Health Initiative - Discussion

Tsiatis, A. A., & Davidian, M. (2005, December). BIOMETRICS, Vol. 61, pp. 933โ€“935.

By: A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Differential Treatment Benefit of Platelet Glycoprotein IIb/IIIa Inhibition With Percutaneous Coronary Intervention Versus Medical Therapy for Acute Coronary Syndromes

Circulation, 109(5), 641โ€“646.

By: K. Pieper n, A. Tsiatis n, M. Davidian nโ€‰, V. Hasselblad n, N. Kleimanโ€‰ n, E. Boersma n, W. Changโ€‰ n, J. Griffin n ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: trials; glycoproteins; coronary disease
MeSH headings : Acute Disease; Aged; Combined Modality Therapy; Coronary Disease / drug therapy; Coronary Disease / surgery; Female; Humans; Male; Middle Aged; Myocardial Revascularization; Patient Selection; Platelet Glycoprotein GPIIb-IIIa Complex / antagonists & inhibitors; Randomized Controlled Trials as Topic; Research Design; Syndrome; Treatment Outcome
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2004 journal article

Estimating mean response as a function of treatment duration in an observational study, where duration may be informatively censored

BIOMETRICS, 60(2), 315โ€“323.

By: B. Johnson & A. Tsiatis*

author keywords: censored covariates; censored treatment; confounding; infusion length; inverse weighting; observational study; propensity score; survival analysis
MeSH headings : Biometry; Clinical Protocols; Coronary Artery Disease / drug therapy; Data Interpretation, Statistical; Eptifibatide; Humans; Peptides / therapeutic use; Platelet Aggregation Inhibitors / therapeutic use; Randomized Controlled Trials as Topic / statistics & numerical data; Time Factors; Treatment Outcome
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Joint modeling of longitudinal and time-to-event data: An overview

Statistica Sinica, 14(3), 809โ€“834.

By: A. Tsiatis & M. Davidianโ€‰

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Locally efficient semiparametric estimators for functional measurement error models

Biometrika, 91(4), 835โ€“848.

By: A. Tsiatis & Y. Ma

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Marginal structural models for analyzing causal effects of time-dependent treatments: An application in perinatal epidemiology

AMERICAN JOURNAL OF EPIDEMIOLOGY, 159(10), 926โ€“934.

By: L. Bodnarโ€‰*, M. Davidian nโ€‰, A. Siega-Riz & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: causality; confounding factors (epidemiology); epidemiologic methods; longitudinal studies; models, structural
MeSH headings : Adult; Anemia / diet therapy; Anemia / epidemiology; Anemia / prevention & control; Causality; Confounding Factors, Epidemiologic; Dietary Supplements; Epidemiologic Research Design; Female; Humans; Iron / administration & dosage; Logistic Models; Models, Statistical; North Carolina / epidemiology; Pregnancy; Pregnancy Complications, Hematologic / diet therapy; Pregnancy Complications, Hematologic / epidemiology; Pregnancy Complications, Hematologic / prevention & control; Random Allocation; Time Factors
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Optimal duration of eptifibatide infusion in percutaneous coronary intervention (an ESPRIT Substudy)

AMERICAN JOURNAL OF CARDIOLOGY, 94(7), 926โ€“929.

By: A. Rebeiz*, J. Dery*, A. Tsiatis n, . JC O'Shea, B. Johnson n, A. Hellkamp*, K. Pieper*, I. Gilchristโ€‰* ...

co-author countries: Ireland ๐Ÿ‡ฎ๐Ÿ‡ช United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Angioplasty, Balloon, Coronary; Biomarkers / blood; Coronary Disease / therapy; Creatine Kinase / blood; Creatine Kinase, MB Form; Double-Blind Method; Eptifibatide; Humans; Infusions, Intra-Arterial; Isoenzymes / blood; Myocardial Infarction / blood; Myocardial Infarction / etiology; Myocardial Infarction / mortality; North America / epidemiology; Peptides / therapeutic use; Platelet Aggregation Inhibitors / therapeutic use; Platelet Glycoprotein GPIIb-IIIa Complex / antagonists & inhibitors; Platelet Glycoprotein GPIIb-IIIa Complex / therapeutic use; Postoperative Complications / blood; Postoperative Complications / etiology; Postoperative Complications / mortality; Survival Analysis; Time Factors; Treatment Outcome
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Optimal estimator for the survival distribution and related quantities for treatment policies in two-stage randomization designs in clinical trials

BIOMETRICS, 60(1), 124โ€“133.

By: A. Wahed & A. Tsiatis*

author keywords: induction therapy; influence functions; intent-to-treat; inverse probability weighted estimator; maintenance therapy; missing data; potential outcomes; survival analysis
MeSH headings : Antineoplastic Agents / therapeutic use; Biometry; Granulocyte-Macrophage Colony-Stimulating Factor / therapeutic use; Humans; Leukemia, Myeloid, Acute / drug therapy; Leukemia, Myeloid, Acute / mortality; Linear Models; Models, Statistical; Nonlinear Dynamics; Randomized Controlled Trials as Topic / statistics & numerical data; Recombinant Proteins; Statistics, Nonparametric; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2004 journal article

The prognostic importance of comorbidity for mortality in patients with stable coronary artery disease

ACC Current Journal Review, 13(4), 11โ€“12.

By: M. Sachdev, J. Sun & A. Tsiatis*

Source: Crossref
Added: August 28, 2020

2004 journal article

The prognostic importance of comorbidity for mortality in patients with stable coronary artery disease

Journal of the American College of Cardiology, 43(4), 576โ€“582.

By: M. Sachdev*, J. Sunโ€‰*, A. Tsiatis*, C. Nelson*, D. Markโ€‰* & J. Jollisโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Black People / statistics & numerical data; Cardiac Catheterization; Cohort Studies; Comorbidity; Coronary Artery Disease / epidemiology; Coronary Artery Disease / ethnology; Coronary Artery Disease / mortality; Databases, Factual / statistics & numerical data; Female; Follow-Up Studies; Humans; Male; Middle Aged; Prognosis; Proportional Hazards Models; Stroke Volume / physiology; Survival Analysis; Time Factors; Ventricular Function, Left / physiology; White People / statistics & numerical data
Source: Crossref
Added: August 28, 2020

2003 journal article

On the inefficiency of the adaptive design for monitoring clinical trials

BIOMETRIKA, 90(2), 367โ€“378.

By: A. Tsiatis* & C. Mehta

author keywords: adaptive design; group-sequential test; likelihood ratio test
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Semiparametric estimation of treatment effect in a pretest-posttest study

BIOMETRICS, 59(4), 1046โ€“1055.

By: S. Leon n, A. Tsiatis n & M. Davidian*โ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: analysis of covariance; counterfactuals; influence function; inverse probability weighting; semiparametric model; t-test
MeSH headings : Antiviral Agents / therapeutic use; Biometry / methods; CD4 Lymphocyte Count; Clinical Trials as Topic; Computer Simulation; HIV Infections / drug therapy; Humans; Models, Statistical; Randomized Controlled Trials as Topic; Statistics, Nonparametric
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

A semiparametric likelihood approach to joint modeling of longitudinal and time-to-event data

BIOMETRICS, 58(4), 742โ€“753.

By: X. Song n, M. Davidian nโ€‰ & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: informative censoring; mixed model; proportional hazards; SNP density; survival
MeSH headings : Anti-HIV Agents / therapeutic use; Biometry / methods; Computer Simulation; Disease Progression; HIV Infections / drug therapy; Humans; Likelihood Functions; Longitudinal Studies; Monte Carlo Method; Proportional Hazards Models; Randomized Controlled Trials as Topic / methods
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

An estimator for the proportional hazards model with multiple longitudinal covariates measured with error

Biostatistics (Oxford, England), 3(4), 511โ€“528.

By: X. Song, M. Davidianโ€‰ & A. Tsiatis

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Effects of insulin in relatives of patients with type 1 diabetes mellitus

New England Journal of Medicine, 346(22), 1685โ€“1691.

By: J. Skyler, D. Brown, H. Chase, E. Collier, C. Cowie, G. Eisenbarth, J. Fradkin, G. Grave ...

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Estimation of survival distributions of treatment policies in two-stage randomization designs in clinical trials

BIOMETRICS, 58(1), 48โ€“57.

By: J. Lunceford*, M. Davidian nโ€‰ & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: induction therapy; intent to treat; inverse weighting; maintenance therapy; potential outcomes; survival analysis
MeSH headings : Aged; Computer Simulation; Granulocyte-Macrophage Colony-Stimulating Factor / therapeutic use; Humans; Leukemia, Myeloid, Acute / drug therapy; Models, Statistical; Randomized Controlled Trials as Topic / methods; Survival Analysis; Treatment Outcome
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Median regression with censored cost data

BIOMETRICS, 58(3), 643โ€“649.

By: H. Bang* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cost analysis; estimating equation; median regression; simulated annealing; survival analysis
MeSH headings : Biometry; Colorectal Neoplasms / economics; Colorectal Neoplasms / therapy; Costs and Cost Analysis / statistics & numerical data; Health Care Costs / statistics & numerical data; Humans; Models, Statistical; Regression Analysis
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Multiple imputation methods for testing treatment differences in survival distributions with missing cause of failure

Biometrika, 89(1), 238โ€“244.

By: A. Tsiatis, M. Davidianโ€‰ & B. Mcneney

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

A semiparametric estimator for the proportional hazards model with longitudinal covariates measured with error

BIOMETRIKA, 88(2), 447โ€“458.

By: A. Tsiatis n & M. Davidian nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: conditional score; measurement error; mixed effects model; regression calibration; semiparametric; survival analysis
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Causal inference on the difference of the restricted mean lifetime between two groups

BIOMETRICS, 57(4), 1030โ€“1038.

By: P. Chen n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: causal inference; Cox's proportional hazard model; martingale process; observational study; restricted lifetime; stochastic integral; survival analysis
MeSH headings : Biometry; Coronary Disease / mortality; Coronary Disease / therapy; Humans; Life Tables; Models, Statistical; Proportional Hazards Models; Stochastic Processes; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Computationally simple accelerated failure time regression for interval censored data

BIOMETRIKA, 88(3), 703โ€“711.

By: R. Betensky, D. Rabinowitz* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: AIDS; current status data; nonparametric maximum likelihood; survival analysis
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Efficiency study of estimators for a treatment effect in a pretest-posttest trial

AMERICAN STATISTICIAN, 55(4), 314โ€“321.

By: L. Yangโ€‰ n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: analysis of covariance; GEE model; paired t test; semiparametric model; two-sample t test
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Flexible sample size considerations using information-based interim monitoring

DRUG INFORMATION JOURNAL, 35(4), 1095โ€“1112.

By: C. Mehtaโ€‰* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: sample size reestimation; information-based design and monitoring; adaptive design
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Interim monitoring of group sequential trials using spending functions for the type I and type II error probabilities

DRUG INFORMATION JOURNAL, 35(4), 1113โ€“1121.

By: S. Pampallona, A. Tsiatis n & K. Kimโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: group sequential trials; information time; error spending function
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Multiple imputation methods for estimating regression coefficients in the competing risks model with missing cause of failure

BIOMETRICS, 57(4), 1191โ€“1197.

By: K. Lu n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cause-specific hazard; missing at random; partial likelihood
MeSH headings : Breast Neoplasms / metabolism; Breast Neoplasms / mortality; Breast Neoplasms / therapy; Cause of Death; Clinical Trials as Topic / statistics & numerical data; Female; Humans; Likelihood Functions; Models, Statistical; Neoplasms, Hormone-Dependent / metabolism; Neoplasms, Hormone-Dependent / mortality; Neoplasms, Hormone-Dependent / therapy; Proportional Hazards Models; Receptors, Estrogen / metabolism; Regression Analysis; Risk; Treatment Failure
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Testing equality of survival functions of quality-adjusted lifetime

BIOMETRICS, 57(3), 861โ€“867.

By: H. Zhaoโ€‰* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: counting processes; hypothesis test; martingale processes; quality of life; survival analysis
MeSH headings : Biometry; Breast Neoplasms / mortality; Breast Neoplasms / therapy; Clinical Trials as Topic / statistics & numerical data; Female; Humans; Models, Statistical; Quality-Adjusted Life Years; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Using auxiliary time-dependent covariates to recover information in nonparametric testing with censored data

LIFETIME DATA ANALYSIS, 7(2), 125โ€“141.

By: S. Murray* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Kaplan-Meier estimate; longitudinal; missing data; survival; two-sample test
MeSH headings : Data Interpretation, Statistical; Humans; Longitudinal Studies; Probability; Prognosis; Survival Analysis; United States
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Utilizing propensity scores to estimate causal treatment effects with censored time-lagged data

BIOMETRICS, 57(4), 1207โ€“1218.

By: K. Anstrom n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: censoring; confounding; inverse weighting; Kaplan-Meier; observational study; propensity score; survival analysis
MeSH headings : Analysis of Variance; Biometry; Clinical Trials as Topic / statistics & numerical data; Coronary Disease / economics; Coronary Disease / therapy; Data Interpretation, Statistical; Health Care Costs / statistics & numerical data; Humans; Models, Statistical
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Cost-effectiveness of platelet glycoprotein IIb/IIIa inhibition with eptifibatide in patients with non-ST-elevation acute coronary syndromes

CIRCULATION, 101(4), 366โ€“371.

By: D. Mark*, R. Harringtonโ€‰*, A. Lincoff*, R. Califfโ€‰*, C. Nelson*, A. Tsiatis*, H. Buell*, K. Mahaffeyโ€‰*, L. Davidson-Rayโ€‰*, E. Topol*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: coronary disease; cost-benefit analysis; glycoproteins; eptifibatide
MeSH headings : Angina, Unstable / drug therapy; Angina, Unstable / economics; Cost-Benefit Analysis; Eptifibatide; Female; Follow-Up Studies; Humans; Length of Stay; Male; Middle Aged; Myocardial Infarction / drug therapy; Myocardial Infarction / economics; Peptides / economics; Peptides / therapeutic use; Platelet Aggregation Inhibitors / economics; Platelet Aggregation Inhibitors / therapeutic use; Platelet Glycoprotein GPIIb-IIIa Complex / antagonists & inhibitors; Prospective Studies; Risk Factors; United States
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Estimating medical costs with censored data

BIOMETRIKA, 87(2), 329โ€“343.

By: H. Bang n & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cost analysis; counting process; efficiency; martingale; missing data; semiparametrics; survival analysis
Source: Web Of Science
Added: August 6, 2018

2000 article

Estimating the distribution of quality-adjusted life with censored data

Tsiatis, A. A. (2000, April). AMERICAN HEART JOURNAL, Vol. 139, pp. S177โ€“S181.

By: A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Cardiovascular Agents / adverse effects; Cardiovascular Agents / therapeutic use; Data Interpretation, Statistical; Humans; Quality-Adjusted Life Years; Randomized Controlled Trials as Topic / statistics & numerical data; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Human immunodeficiency virus type 1 RNA level and CD4 count as prognostic markers and surrogate end points: A meta-analysis

AIDS Research and Human Retroviruses, 16(12), 1123โ€“1133.

By: A. Babiker, J. Bartlett, A. Breckenridge, G. Collins, R. Coombs, D. Cooper, T. Creagh, A. Cross ...

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Testing for differences in survival with delayed ascertainment

BIOMETRICS, 56(1), 145โ€“153.

By: J. Fine & A. Tsiatis*

author keywords: ascertainment bias; counting process; logrank statistic; Martingale; U statistic
MeSH headings : Acquired Immunodeficiency Syndrome / drug therapy; Acquired Immunodeficiency Syndrome / immunology; Acquired Immunodeficiency Syndrome / mortality; Anti-HIV Agents / therapeutic use; Biometry; CD4 Lymphocyte Count; Clinical Trials as Topic / statistics & numerical data; Humans; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Using conditional logistic regression to fit proportional odds models to interval censored data

BIOMETRICS, 56(2), 511โ€“518.

By: D. Rabinowitz*, R. Betensky* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: AIDS; current status data; nonparametric maximum likelihood; survival analysis
MeSH headings : Acquired Immunodeficiency Syndrome / drug therapy; Acquired Immunodeficiency Syndrome / immunology; Acquired Immunodeficiency Syndrome / mortality; Anti-HIV Agents / therapeutic use; Biometry / methods; CD4 Lymphocyte Count; Drug Therapy, Combination; Humans; Likelihood Functions; Models, Statistical; Regression Analysis; Statistics, Nonparametric; Survival Analysis; Zalcitabine / therapeutic use; Zidovudine / therapeutic use
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Efficient estimation of the distribution of quality-adjusted survival time

BIOMETRICS, 55(4), 1101โ€“1107.

By: H. Zhao & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: counting process; Martingale process; quality of life; semiparametric efficiency; survival analysis
MeSH headings : Biometry; Breast Neoplasms / mortality; Breast Neoplasms / therapy; Clinical Trials as Topic / statistics & numerical data; Computer Simulation; Female; Humans; Models, Statistical; Quality-Adjusted Life Years; Survival Analysis
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Estimating the parameters in the Cox model when covariate variables are measured with error

BIOMETRICS, 54(4), 1407โ€“1419.

By: P. Hu, A. Tsiatis* & M. Davidian*โ€‰

author keywords: cumulative hazards; measurement error; nonparametric maximum likelihood; proportional hazards model; regression calibration; semiparametric method
Sources: Web Of Science, ORCID
Added: August 6, 2018

1998 journal article

Semiparametric efficient estimation in the generalized odds-rate class of regression models for right-censored time-to-event data

Lifetime Data Analysis, 4(4), 355โ€“391.

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Biometry / methods; Clinical Trials as Topic; Data Interpretation, Statistical; Humans; Lung Neoplasms / radiotherapy; Models, Statistical; Odds Ratio; Randomized Controlled Trials as Topic; Regression Analysis; Time Factors; United States; United States Department of Veterans Affairs
Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Use of simulation and bootstrap in information-based group sequential studies

Statistics in Medicine, 17(1), 75โ€“87.

By: D. Scharfsteinโ€‰* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

A consistent estimator for the distribution of quality adjusted survival time

BIOMETRIKA, 84(2), 339โ€“348.

By: H. Zhaoโ€‰* & A. Tsiatis n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: counting process; martingale process; quality of life; survival analysis
Source: Web Of Science
Added: August 6, 2018

1997 journal article

A joint model for survival and longitudinal data measured with error

BIOMETRICS, 53(1), 330โ€“339.

By: M. Wulfsohn & A. Tsiatis*

author keywords: EM algorithm; longitudinal data; repeated measures; survival
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Semiparametric efficiency and its implication on the design and analysis of group-sequential studies

JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 92(440), 1342โ€“1350.

By: D. Scharfsteinโ€‰*, A. Tsiatis n & J. Robins*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: independent increment; information-based design and monitoring; longitudinal study; maximum information trial; time-to-event study
Source: Web Of Science
Added: August 6, 2018

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