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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...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2009
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| Assuntos: | |
| Acesso em linha: | 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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