Cluster Randomised Trials, Second Edition discusses the design, conduct, and analysis of
trials that randomise groups of individuals to different treatments. It explores the advantages …

A complete guide to understanding cluster randomised trials Written by two researchers with
extensive experience in the field, this book presents a complete guide to the design …

Cluster randomised trials are trials in which groups (or clusters) of individuals are randomly
allocated to different forms of treatment. In health care, these trials often compare different …

Background Cluster randomised trials can be susceptible to a range of methodological
problems. These problems are not commonly recognised by many researchers. In this paper …

Meta‐analyses involving the synthesis of evidence from cluster randomization trials are
being increasingly reported. These analyses raise challenging methodologic issues beyond …

Cluster randomized controlled trial (RCT), in which groups or clusters of individuals rather
than individuals themselves are randomized, are increasingly common. Indeed, for the …

Objective To examine the prevalence of a risk of bias associated with the design and
conduct of cluster randomised controlled trials among a sample of recently published …

Cluster randomized trials, where individuals are randomized in groups are increasingly
being used in healthcare evaluation. The adoption of a clustered design has implications for …

Background: The use of cluster randomized trials (CRTs) is increasing, along with the variety
in their design and analysis. The simplest approach for their sample size calculation is to …

Objectives To assess aspects of the internal validity of recently published cluster
randomised trials and explore the reporting of information useful in assessing the external …