Issues in the meta-analysis of cluster randomized trials

2002 ◽  
Vol 21 (19) ◽  
pp. 2971-2980 ◽  
Author(s):  
Allan Donner ◽  
Neil Klar
Keyword(s):  
Randomized Trials ◽  
Meta Analysis ◽  
Cluster Randomized Trials ◽  
Cluster Randomized

scholarly journals The equity impact of community women’s groups to reduce neonatal mortality: a meta-analysis of four cluster randomized trials

2017 ◽  
Vol 48 (1) ◽  
pp. 168-182 ◽  
Author(s):  
Tanja A J Houweling ◽  
Caspar W N Looman ◽  
Kishwar Azad ◽  
Sushmita Das ◽  
Carina King ◽  
...  
Keyword(s):  
Neonatal Mortality ◽  
Randomized Trials ◽  
Meta Analysis ◽  
Cluster Randomized Trials ◽  
Women's Groups ◽  
Women’S Groups ◽  
Cluster Randomized

scholarly journals Covariate-constrained Randomization Routine for Achieving Baseline Balance in Cluster-randomized Trials

2017 ◽  
Vol 17 (2) ◽  
pp. 503-510 ◽  
Author(s):  
Eva Lorenz ◽  
Sabine Gabrysch
Keyword(s):  
Randomized Trials ◽  
Theoretical Background ◽  
Cluster Randomized Trials ◽  
Cluster Randomized ◽  
Baseline Covariates

In cluster-randomized trials, groups or clusters of individuals, rather than individuals themselves, are randomly allocated to intervention or control. In this article, we describe a new command, ccrand, that implements a covariate-constrained randomization procedure for cluster-randomized trials. It can ensure balance of one or more baseline covariates between trial arms by restriction to allocations that meet specified balance criteria. We provide a brief overview of the theoretical background, describe ccrand and its options, and illustrate it using an example.

Relative efficiency and sample size for cluster randomized trials with variable cluster sizes

2010 ◽  
Vol 8 (1) ◽  
pp. 27-36 ◽  
Author(s):  
Zhiying You ◽  
O Dale Williams ◽  
Inmaculada Aban ◽  
Edmond Kato Kabagambe ◽  
Hemant K Tiwari ◽  
...  
Keyword(s):  
Sample Size ◽  
Relative Efficiency ◽  
Randomized Trials ◽  
Cluster Randomized Trials ◽  
Variable Cluster ◽  
Cluster Randomized
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