Statistical Methods for Cost-Effectiveness Analyses That Use Data from Cluster Randomized Trials

2011 ◽  
Vol 32 (1) ◽  
pp. 209-220 ◽  
Author(s):  
Manuel Gomes ◽  
Richard Grieve ◽  
Richard Nixon ◽  
W. J. Edmunds
Keyword(s):  
Cost Effectiveness ◽  
Statistical Methods ◽  
Randomized Trials ◽  
Cluster Randomized Trials ◽  
Cluster Randomized

scholarly journals Developing Appropriate Methods for Cost-Effectiveness Analysis of Cluster Randomized Trials

2011 ◽  
Vol 32 (2) ◽  
pp. 350-361 ◽  
Author(s):  
Manuel Gomes ◽  
Edmond S.-W. Ng ◽  
Richard Grieve ◽  
Richard Nixon ◽  
James Carpenter ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Randomized Trials ◽  
Cost Effectiveness Analysis ◽  
Cluster Randomized Trials ◽  
Effectiveness Analysis ◽  
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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