CONSTRAINT AS AN ETHICAL POSTULATE IN THE CONTEXT OF ECOLOGICAL LIMITS


Log-rank and stratified log-rank tests

In randomized clinical trials with right-censored time-to-event outcomes, the popular log-rank test without adjusting for baseline covariates is asymptotically valid for treatment effect under simple randomization of treatments but is too conservative under covariate-adaptive randomization.The stratified log-rank test, which adjusts baseline covari

read more