Covariate adjustment in subgroup analyses of randomized clinical trials: A propensity score approach.
Siyun YangFan LiLaine E ThomasFan LiPublished in: Clinical trials (London, England) (2021)
Propensity score weighting is a transparent and objective method to adjust chance imbalance of important covariates in subgroup analyses of randomized clinical trials. It is crucial to include the full covariate-subgroup interactions in the propensity score model.