21 citations · 38 across the 4 of their papers we have counts for
4 papers
Covariate adjustment and estimation of difference in proportions in randomized clinical trials
Jialuo Liu, Dong Xi
Difference in proportions is frequently used to measure treatment effect for binary outcomes in randomized clinical trials. The estimation of difference in proportions can be assis…
Clinical trials impacted by the COVID-19 pandemic: Adaptive designs to the rescue?
Cornelia Ursula Kunz, Silke Jörgens, Frank Bretz +6
Very recently the new pathogen severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was identified and the coronavirus disease 2019 (COVID-19) declared a pandemic by the Wo…
Optimal exact tests for multiple binary endpoints
Robin Ristl, Dong Xi, Ekkehard Glimm +1
In confirmatory clinical trials with small sample sizes, hypothesis tests based on asymptotic distributions are often not valid and exact non-parametric procedures are applied inst…
On weighted parametric tests
Dong Xi, Ekkehard Glimm, Willi Maurer +1
We describe a general framework for weighted parametric multiple test procedures based on the closure principle. We utilize general weighting strategies that can reflect complex st…