Reporting of sample size calculation in randomised controlled trials: review

Charles, Pierre‐Emmanuel; Giraudeau, Bruno; Dechartres, Agnès; Baron, Gabriel; Ravaud, Philippe

doi:10.1136/bmj.b1732

Public

Reporting of sample size calculation in randomised controlled trials: review

Published in BMJ • May 12, 2009

Authors:

Pierre‐Emmanuel Charles

Bruno Giraudeau

Agnès Dechartres

Abstract

OBJECTIVES: To assess quality of reporting of sample size calculation, ascertain accuracy of calculations, and determine the relevance of assumptions made when calculating sample size in randomised controlled trials. DESIGN: Review. DATA SOURCES: We searched MEDLINE for all primary reports of two ar...

Subject

Sample size determination

Sample (material)

Statistics

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