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Title
Meta-analysis of individual patient data from randomized trials: a review of methods used in practice.
Authors
Simmonds, Mark C; Higgins, Julian P T; Stewart, Lesley A; Tierney, Jayne F; Clarke, Mike J; Thompson, Simon G
Abstract
Meta-analyses based on individual patient data (IPD) are regarded as the gold standard for systematic reviews. However, the methods used for analysing and presenting results from IPD meta-analyses have received little discussion.