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Methods for sample size determination in cluster randomized trials
Background: The use of cluster randomized trials (CRTs) is increasing, along with the variety in their design and analysis. The simplest approach for their sample size calculation is to calculate the sample size assuming individual randomization and inflate this by a design effect to account for ran...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Oxford University Press
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4521133/ https://www.ncbi.nlm.nih.gov/pubmed/26174515 http://dx.doi.org/10.1093/ije/dyv113 |