Title

Introduction to systematic reviews and meta-analysis

Date of this Version

5-2016

Document Type

Journal Article

Publication Details

Citation only

McKenzie, J. E., Beller, E. M., & Forbes, A. B. (2016). Introduction to systematic reviews and meta-analysis. Respirology, 21(4), 626-637.

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© Copyright, 2016 Asian Pacific Society of Respirology

ISSN

1323-7799

Abstract

Systematic reviews provide a method for collating and synthesizing research, and are used to inform healthcare decision making by clinicians, consumers and policy makers. A core component of many systematic reviews is a meta-analysis, which is a statistical synthesis of results across studies. In this review article, we introduce meta-analysis, focusing on the different meta-analysis models, their interpretation, how a model should be selected and discuss potential threats to the validity of meta-analyses. We illustrate the application of meta-analysis using data from a review examining the effects of early use of inhaled corticosteroids in the emergency department treatment of acute asthma

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