Systematic review showed that stepped-wedge cluster randomized trials often did not reach their planned sample size

To determine how often stepped-wedge cluster randomized controlled trials reach their planned sample size, and what reasons are reported for choosing a stepped-wedge trial design.

Source: Journal of Clinical Epidemiology - November 16, 2018 Category: Epidemiology Authors: Felizitas A. Eichner, Rolf H.H. Groenwold, Diederick E. Grobbee, Katrien Oude Rengerink Tags: Original Article Source Type: research