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Sample Size Calculation for Count Outcomes in Cluster Randomization Trials with Varying Cluster Sizes
In many cluster randomization studies, cluster sizes are not fixed and may be highly variable. For those studies, sample size estimation assuming a constant cluster size may lead to under-powered studies. Sample size formulas have been developed to incorporate the variability in cluster size for cli...
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| Publicat a: | Commun Stat Theory Methods |
|---|---|
| Autors principals: | , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
2018
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6876624/ https://ncbi.nlm.nih.gov/pubmed/31768088 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1080/03610926.2018.1532004 |
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