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Sample size considerations in the design of cluster randomized trials of combination HIV prevention
BACKGROUND: Cluster randomized trials have been utilized to evaluate the effectiveness of human immunodeficiency virus (HIV) prevention strategies on reducing incidence. Design of such studies must take into account possible correlation of outcomes within randomized units. PURPOSE: To discuss power...
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| Главные авторы: | , , , , |
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| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
2014
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| Предметы: | |
| Online-ссылка: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4169770/ https://ncbi.nlm.nih.gov/pubmed/24651566 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/1740774514523351 |
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