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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.

co-author countries:
United States of America 🇺🇸

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), 1995–2000.

co-author countries:
Brazil 🇧🇷 United Kingdom of Great Britain and Northern Ireland 🇬🇧 United States of America 🇺🇸

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.

co-author countries:
United States of America 🇺🇸

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.

co-author countries:
United States of America 🇺🇸

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.

co-author countries:
United States of America 🇺🇸

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., … Kakkar, A. K. (2021, July 23). *JOURNAL OF THROMBOSIS AND HAEMOSTASIS*, Vol. 7.

co-author countries:
Belgium 🇧🇪 Canada 🇨🇦 Germany 🇩🇪 United Kingdom of Great Britain and Northern Ireland 🇬🇧 Japan 🇯🇵 Netherlands 🇳🇱 United States of America 🇺🇸

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), 223–264.

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), 542–550.

co-author countries:
United States of America 🇺🇸

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

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), 192–199.

co-author countries:
United States of America 🇺🇸

Source: Web Of Science

Added: April 20, 2020

2018 journal article

Interpretable Dynamic Treatment Regimes

*JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION*, *113*(524), 1541–1549.

co-author countries:
United States of America 🇺🇸

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), 900–909.

co-author countries:
United States of America 🇺🇸

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), 1180–1192.

co-author countries:
United States of America 🇺🇸

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), 1891–1902.

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), 585–604.

co-author countries:
United States of America 🇺🇸

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), 172–181.

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), 280–298.

co-author countries:
United States of America 🇺🇸

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. 278–278.

co-author countries:
United States of America 🇺🇸

Sources: Web Of Science, ORCID

Added: August 6, 2018

2015 journal article

Estimation After a Group Sequential Trial

*STATISTICS IN BIOSCIENCES*, *7*(2), 187–205.

co-author countries:
Belgium 🇧🇪 United Kingdom of Great Britain and Northern Ireland 🇬🇧 Netherlands 🇳🇱 United States of America 🇺🇸

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), 895–904.

co-author countries:
United States of America 🇺🇸

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), 1245–1256.

co-author countries:
United Kingdom of Great Britain and Northern Ireland 🇬🇧

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. 707–710.

co-author countries:
United States of America 🇺🇸

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), 11–41.

co-author countries:
Belgium 🇧🇪 United Kingdom of Great Britain and Northern Ireland 🇬🇧 Netherlands 🇳🇱 United States of America 🇺🇸

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), 640–661.

co-author countries:
United States of America 🇺🇸

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), 820–829.

co-author countries:
United States of America 🇺🇸

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), 830–839.

co-author countries:
United States of America 🇺🇸

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), 513–546.

co-author countries:
United Kingdom of Great Britain and Northern Ireland 🇬🇧 United States of America 🇺🇸

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), 681–694.

co-author countries:
China 🇨🇳 United States of America 🇺🇸

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), 1010–1018.

co-author countries:
United States of America 🇺🇸

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), 103–114.

co-author countries:
United States of America 🇺🇸

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), 61–73.

co-author countries:
United States of America 🇺🇸

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), 221–223.

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), 536–545.

co-author countries:
United States of America 🇺🇸

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), 258–269.

co-author countries:
United States of America 🇺🇸

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), 566–593.

co-author countries:
United States of America 🇺🇸

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), 512–522.

co-author countries:
United States of America 🇺🇸

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), 1202–1208.

co-author countries:
United States of America 🇺🇸

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), 723–734.

co-author countries:
United States of America 🇺🇸

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. 4658–4677.

co-author countries:
United States of America 🇺🇸

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), 5525–5555.

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), 707–715.

co-author countries:
United States of America 🇺🇸

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), 679–694.

co-author countries:
United States of America 🇺🇸

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), 489–499.

co-author countries:
United States of America 🇺🇸

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), 999–1008.

co-author countries:
United States of America 🇺🇸

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), 3382–3395.

co-author countries:
United States of America 🇺🇸

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), 135–142.

co-author countries:
United States of America 🇺🇸

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. 3236–3244.

co-author countries:
United States of America 🇺🇸

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), 183–193.

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), 163–177.

co-author countries:
United States of America 🇺🇸

Source: Web Of Science

Added: August 6, 2018

2006 book

Semiparametric theory and missing data

New York: Springer.

Source: NC State University Libraries

Added: August 6, 2018

2006 journal article

Semiparametric transformation models for the case-cohort study

*BIOMETRIKA*, *93*(1), 207–214.

co-author countries:
United States of America 🇺🇸

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), 29–40.

co-author countries:
United States of America 🇺🇸

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), 434–443.

co-author countries:
Canada 🇨🇦 United Kingdom of Great Britain and Northern Ireland 🇬🇧 Israel 🇮🇱 United States of America 🇺🇸

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), 980–989.

co-author countries:
United States of America 🇺🇸

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), 559–571.

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), 261–282.

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), 875–891.

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), 605–618.

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. 933–935.

co-author countries:
United States of America 🇺🇸

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), 641–646.

co-author countries:
United States of America 🇺🇸

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), 315–323.

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), 809–834.

Source: NC State University Libraries

Added: August 6, 2018

2004 journal article

Locally efficient semiparametric estimators for functional measurement error models

*Biometrika*, *91*(4), 835–848.

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), 926–934.

co-author countries:
United States of America 🇺🇸

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), 926–929.

co-author countries:
Ireland 🇮🇪 United States of America 🇺🇸

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), 124–133.

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), 11–12.

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), 576–582.

co-author countries:
United States of America 🇺🇸

Source: Crossref

Added: August 28, 2020

2003 journal article

On the inefficiency of the adaptive design for monitoring clinical trials

*BIOMETRIKA*, *90*(2), 367–378.

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), 1046–1055.

co-author countries:
United States of America 🇺🇸

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), 742–753.

co-author countries:
United States of America 🇺🇸

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), 511–528.

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), 1685–1691.

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), 48–57.

co-author countries:
United States of America 🇺🇸

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), 643–649.

co-author countries:
United States of America 🇺🇸

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), 238–244.

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), 447–458.

co-author countries:
United States of America 🇺🇸

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), 1030–1038.

co-author countries:
United States of America 🇺🇸

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), 703–711.

co-author countries:
United States of America 🇺🇸

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), 314–321.

co-author countries:
United States of America 🇺🇸

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), 1095–1112.

co-author countries:
United States of America 🇺🇸

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), 1113–1121.

co-author countries:
United States of America 🇺🇸

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), 1191–1197.

co-author countries:
United States of America 🇺🇸

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), 861–867.

co-author countries:
United States of America 🇺🇸

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), 125–141.

co-author countries:
United States of America 🇺🇸

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), 1207–1218.

co-author countries:
United States of America 🇺🇸

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), 366–371.

co-author countries:
United States of America 🇺🇸

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), 329–343.

co-author countries:
United States of America 🇺🇸

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. S177–S181.

co-author countries:
United States of America 🇺🇸

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), 1123–1133.

Source: NC State University Libraries

Added: August 6, 2018

2000 journal article

Testing for differences in survival with delayed ascertainment

*BIOMETRICS*, *56*(1), 145–153.

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), 511–518.

co-author countries:
United States of America 🇺🇸

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), 1101–1107.

co-author countries:
United States of America 🇺🇸

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), 1407–1419.

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), 355–391.

co-author countries:
United States of America 🇺🇸

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), 75–87.

co-author countries:
United States of America 🇺🇸

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), 339–348.

co-author countries:
United States of America 🇺🇸

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), 330–339.

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), 1342–1350.

co-author countries:
United States of America 🇺🇸

Source: Web Of Science

Added: August 6, 2018

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