Article,

Conducting a meta-analysis: basics and good practices.

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International journal of rheumatic diseases, 15 (2): 129-35 (April 2012)6798<m:linebreak></m:linebreak>CI: (c) 2012 The Authors International Journal of Rheumatic Diseases (c) 2012; JID: 101474930; 2012/02/22 aheadofprint; ppublish;<m:linebreak></m:linebreak>Metaanàlisi; Introductori.
DOI: 10.1111/j.1756-185X.2012.01712.x

Abstract

Meta-analysis is a statistical method to compare and combine effect sizes from a pool of relevant empirical studies. It is now a standard approach to synthesize research findings in many disciplines, including medical and healthcare research. This paper is the third paper of a mini-series introducing systematic review and meta-analysis. First, common effect sizes used in meta-analysis are presented. Fixed-, random- and mixed-effects models are then introduced. Next, a real data set from a published meta-analysis will be used to illustrate the procedures and interpretations. Last, software packages that may be used to conduct meta-analyses will be highlighted.

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