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2017
This chapter discusses the design and analysis of cluster randomized clinical trials (CRCTs). These trials are useful when the intervention is most appropriately applied at a group level (e.g., provider, clinic, hospital). Since patients within a provider, clinic, or hospital are more likely to be similar than patients from another provider, clinic, or
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Cluster randomization trials

Statistical Methods in Medical Research, 2000
A. Donner, N. Klar
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[The cluster-randomized trial].

Medecine sciences : M/S, 2004
Within the framework of a clinical trial, one is sometimes brought to randomize groups of subjects rather than the subjects themselves. This type of experimental design has methodological consequences of importance (in particular biostatistical consequences) and can limit the extrapolation of the results.
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Cluster Randomization Trial

2023
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Gastric cancer prevention by community eradication of Helicobacter pylori: a cluster-randomized controlled trial