Načítá se...

Sample size calculations for cluster randomised controlled trials with a fixed number of clusters

ABSTRACT: BACKGROUND: Cluster randomised controlled trials (CRCTs) are frequently used in health service evaluation. Assuming an average cluster size, required sample sizes are readily computed for both binary and continuous outcomes, by estimating a design effect or inflation factor. However, where...

Celý popis

Uloženo v:
Podrobná bibliografie
Hlavní autoři: Hemming, Karla, Girling, Alan J, Sitch, Alice J, Marsh, Jennifer, Lilford, Richard J
Médium: Artigo
Jazyk:Inglês
Vydáno: BioMed Central 2011
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC3149598/
https://ncbi.nlm.nih.gov/pubmed/21718530
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2288-11-102
Tagy: Přidat tag
Žádné tagy, Buďte první, kdo otaguje tento záznam!