3 papers
stat.ME2021
Covariate adjustment in subgroup analyses of randomized clinical trials: A propensity score approach
Siyun Yang, Fan Li, Laine E. Thomas
Background: Subgroup analyses are frequently conducted in randomized clinical trials to assess evidence of heterogeneous treatment effect across patient subpopulations. Although ra…
stat.ME2020
Propensity Score Weighting for Causal Subgroup Analysis
Siyun Yang, Elizabeth Lorenzi, Georgia Papadogeorgou +3
A common goal in comparative effectiveness research is to estimate treatment effects on pre-specified subpopulations of patients. Though widely used in medical research, causal inf…
stat.ME2020
Propensity score weighting under limited overlap and model misspecification
Yunji Zhou, Roland A. Matsouaka, Laine Thomas
Propensity score (PS) weighting methods are often used in non-randomized studies to adjust for confounding and assess treatment effects. The most popular among them, the inverse pr…