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Sample size requirements to detect a two- or three-way interaction in longitudinal cluster randomized clinical trials with second level randomization

BACKGROUND: When randomizations are assigned at the cluster level for longitudinal cluster randomized trials (longitudinal-CRT) with a continuous outcome, formulae for determining the required sample size to detect a two-way interaction effect between time and intervention are available. PURPOSE: To...

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Publicat a:Clin Trials
Autors principals: Heo, Moonseong, Xue, Xiaonan, Kim, Mimi Y.
Format: Artigo
Idioma:Inglês
Publicat: 2014
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC4233204/
https://ncbi.nlm.nih.gov/pubmed/24837325
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/1740774514532724
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