Additional crossovers in cluster randomised crossover trials do not always increase statistical power
Clinical Trials: Journal of the Society for Clinical Trials
Published online on March 28, 2026
Abstract
Clinical Trials, Ahead of Print.
Background:Cluster randomised crossover designs (CRXOs) are a powerful type of longitudinal cluster randomised trial in which all participating clusters switch between two treatment conditions. “Multiple-period” CRXOs divide the trial duration into a ...
Background:Cluster randomised crossover designs (CRXOs) are a powerful type of longitudinal cluster randomised trial in which all participating clusters switch between two treatment conditions. “Multiple-period” CRXOs divide the trial duration into a ...