Two randomized clinical trials were harmonized to compare the effect of vitamin C vs control on outcomes in hospitalized patients with COVID-19 who were critica
This randomized clinical trial examines the effect of initiation of a renin-angiotensin system inhibitor (ACE inhibitor or an angiotensin receptor blocker) on t
This JAMA Guide to Statistics and Methods article examines conditional power, calculated while a trial is ongoing and based on both the currently observed data
This secondary analysis of an ongoing adaptive platform trial examines the effect of multiple interventions for critically ill adults with COVID-19 on longer-te
This Guide to Statistics and Methods provides an overview of the use of adjustment for baseline characteristics in the analysis of randomized clinical trials an