Cargando…

How to design efficient cluster randomised trials

Cluster randomised trials have diminishing returns in power and precision as cluster size increases. Making the cluster a lot larger while keeping the number of clusters fixed might yield only a very small increase in power and precision, owing to the intracluster correlation. Identifying the point...

Descripción completa

Detalles Bibliográficos
Autores principales: Hemming, K, Eldridge, S, Forbes, G, Weijer, C, Taljaard, M
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group Ltd. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5508848/
https://www.ncbi.nlm.nih.gov/pubmed/28710062
http://dx.doi.org/10.1136/bmj.j3064