Methods for sample size determination in cluster randomized trials

Stepped wedge designs could reduce the required sample size in cluster randomized trials

(2013) Willem Woertman et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Sample size determination for clustered count data

(2013) Anup Amatya et al.   STATISTICS IN MEDICINE

Empirical Power and Sample Size Calculations for Cluster-Randomized and Cluster-Randomized Crossover Studies

(2012) Nicholas G. Reich et al.   PLoS One

Sample size in cluster-randomized trials with time to event as the primary endpoint

(2012) Antje Jahn-Eimermacher et al.   STATISTICS IN MEDICINE

A simple sample size formula for analysis of covariance in cluster randomized trials

(2012) Steven Teerenstra et al.   STATISTICS IN MEDICINE

Intracluster correlation coefficients and coefficients of variation for perinatal outcomes from five cluster-randomised controlled trials in low and middle-income countries: results and methodological implications

(2011) Christina Pagel et al.   Trials

Power and Sample Size Estimation for the Clustered Wilcoxon Test

(2010) Bernard Rosner et al.   BIOMETRICS

Sample Size Considerations for GEE Analyses of Three-Level Cluster Randomized Trials

(2010) Steven Teerenstra et al.   BIOMETRICS

Test Non-Inferiority and Sample Size Determination Based on the Odds Ratio Under a Cluster Randomized Trial with Noncompliance

(2010) Kung-Jong Lui et al.   Journal of Biopharmaceutical Statistics

Sample Size Determination for Testing Equality in a Cluster Randomized Trial with Noncompliance

(2010) Kung-Jong Lui et al.   Journal of Biopharmaceutical Statistics

A behavioural Bayes approach for sample size determination in cluster randomized clinical trials

(2010) Takashi Kikuchi et al.   JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES C-APPLIED STATISTICS

Quantile dispersion graphs to compare the efficiencies of cluster randomized designs

(2009) S. Mukhopadhyay et al.   JOURNAL OF APPLIED STATISTICS

A pragmatic–explanatory continuum indicator summary (PRECIS): a tool to help trial designers

(2009) Kevin E. Thorpe et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Sample size requirements to detect an intervention by time interaction in longitudinal cluster randomized clinical trials

(2009) Moonseong Heo et al.   STATISTICS IN MEDICINE

Statistical Power and Sample Size Requirements for Three Level Hierarchical Cluster Randomized Trials

(2008) Moonseong Heo et al.   BIOMETRICS

Sample size calculations for 3-level cluster randomized trials

(2008) Steven Teerenstra et al.   Clinical Trials

Intracluster correlation coefficients from the 2005 WHO Global Survey on Maternal and Perinatal Health: implications for implementation research

(2008) Monica Taljaard et al.   PAEDIATRIC AND PERINATAL EPIDEMIOLOGY

Sample size calculation for cluster randomized cross-over trials

(2008) B. Giraudeau et al.   STATISTICS IN MEDICINE