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Cine y Pediatría 8
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Vol. 20 - Num. 80

Critical appraisal in small doses

Methodological aspects of meta-analysis (2)

Manuel Molina Ariasa

aServicio de Gastroenterología. Hospital Infantil Universitario La Paz. Madrid. España. Comité de Pediatría Basada en la Evidencia (AEP y AEPap). Editor de www.cienciasinseso.com .

Correspondence: M Molina. E-mail: mma1961@gmail.com

Reference of this article: Molina Arias M. Methodological aspects of meta-analysis (2). Rev Pediatr Aten Primaria. 2018;20;401-5.

Published in Internet: 17-10-2018 - Visits: 2047

Abstract

A meta-analysis is a summary of quantitative synthesis usually used to analyze the results of the primary studies of a systematic review. In order for its conclusions to be valid, its methodology must be correctly applied, paying special attention to carrying out the bibliographical search, combining the studies in an appropriate manner and representing the results correctly. We will review in detail the aspects related to the methods to combine the primary studies and to the interpretation of the forest plot, ending with some recommendations for the interpretation of the results of the meta-analysis.

Keywords

Fixed-effect model Forest plot Meta-analysis Random-effects model Review

 

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