Ask a Question

Prefer a chat interface with context about you and your work?

From statistical power to statistical assurance: It's time for a paradigm change in clinical trial design

From statistical power to statistical assurance: It's time for a paradigm change in clinical trial design

A well-designed clinical trial requires an appropriate sample size with adequate statistical power to address trial objectives. The statistical power is traditionally defined as the probability of rejecting the null hypothesis with a pre-specified true clinical treatment effect. This power is a conditional probability conditioned on the true but actually …