Performance of models for estimating absolute risk difference in multicenter trials with binary outcome

Abstract Background Reporting of absolute risk difference (RD) is recommended for clinical and epidemiological prospective studies. In analyses of multicenter studies, adjustment for center is necessary when randomization is stratified by center or when there is large variation in patients outcomes...

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Bibliographic Details
Main Authors: Claudia Pedroza, Van Thi Thanh Truong
Format: Article
Language:English
Published: BMC 2016-08-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12874-016-0217-0