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Effect of Imbalance and Intracluster Correlation Coefficient in Cluster Randomization Trials with Binary Outcomes When the Available Number of Clusters is Fixed in Advance

In some cluster randomization trials, the number of clusters cannot exceed a specified maximum value due to cost constraints or other practical reasons. Donner and Klar [1] provided the sample size formula for the number of subjects required per cluster when the number of clusters cannot exceed a sp...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Ahn, Chul, Hu, Fan, Skinner, Celette Sugg, Ahn, Daniel
Format: Artigo
Sprache:Inglês
Veröffentlicht: 2009
Schlagworte:
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2716697/
https://ncbi.nlm.nih.gov/pubmed/19348965
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.cct.2009.03.007
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