Simpson's paradox and calculation of number needed to treat from meta-analysis

<p>Abstract</p> <p>Background</p> <p>Calculation of numbers needed to treat (NNT) is more complex from meta-analysis than from single trials. Treating the data as if it all came from one trial may lead to misleading results when the trial arms are imbalanced.</p>...

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Bibliographic Details
Main Author: Cates Christopher J
Format: Article
Language:English
Published: BMC 2002-01-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/2/1