A Short Guide and a Forest Plot Command (Ipdforest) for One-Stage Meta-Analysis. (September 2013)

• Record Type: Journal Article
• Authors: Kontopantelis, Evangelos; Reeves, David
• Is Part Of: Stata journal. Volume 13:Number 3(2013)
• Page Start: 574
• Page End: 587
• Publication Date: 2013-09
• Subjects: st0309 -- ipdforest -- meta-analysis -- forest plot -- individual patient data -- IPD -- one-stage; Statistics -- Periodicals; Statistics -- Computer programs -- Periodicals; 001.422
• DOI: 10.1177/1536867X1301300308
• Languages: English
• ISSNs: 1536-867X

Abstract

In this article, we describe a new individual patient data meta-analysis postestimation command, ipdforest . The command produces a forest plot following a one-stage meta-analysis withxtmixed orxtmelogit . (These commands have been renamed in Stata 13 tomixed andmeqrlogit, respectively;ipdforest is currently not compatible with the new names.) The overall effect is obtained from the preceding mixed-effects regression and the study effects from linear or logistic regressions on each study, which are executed withinipdforest . Individual patient data meta-analysis models with Stata are discussed.