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 17, 2018 Category: Epidemiology Authors: Felizitas A. Eichner, Rolf HH. Groenwold, Diederick E. Grobbee, Katrien Oude Rengerink Tags: Original Article Source Type: research