Enhanced secondary analysis of survival data: reconstructing the data from published Kaplan-Meier survival curves

<p>Abstract</p> <p>Background</p> <p>The results of Randomized Controlled Trials (RCTs) on time-to-event outcomes that are usually reported are median time to events and Cox Hazard Ratio. These do not constitute the sufficient statistics required for meta-analysis or co...

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Bibliographic Details
Main Authors: Guyot Patricia, Ades AE, Ouwens Mario JNM, Welton Nicky J
Format: Article
Language:English
Published: BMC 2012-02-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:http://www.biomedcentral.com/1471-2288/12/9