More Than the Sum of Its Parts: Meta-Analysis and Its Potential to Discover Sources of Heterogeneity in Psychosomatic Medicine

Tak, Lineke M.; Meijer, Anna; Manoharan, Andiappan; de Jonge, Peter; Rosmalen, Judith G. M.

doi:10.1097/psy.0b013e3181d714e1

Cited by 23Meta-analysis and systematic reviewsStatistical Methods in EpidemiologyAdvanced Causal Inference Techniques

More Than the Sum of Its Parts: Meta-Analysis and Its Potential to Discover Sources of Heterogeneity in Psychosomatic Medicine

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Tak, Lineke M., Meijer, Anna, Manoharan, Andiappan, de Jonge, Peter, Rosmalen, Judith G. M.·2010·Psychosomatic Medicine

DOI 10.1097/psy.0b013e3181d714e1

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Abstract

Meta-analyses may contribute to more reliable knowledge about the existence of certain relations in the area of psychosomatic research. Surprisingly, the increasing popularity of meta-analysis is not reflected in the number of meta-analyses of observational studies published in Psychosomatic Medicine. This may be due to the specific difficulties that apply to meta-analyses of observational research. The aim of this paper is to provide a nontechnical overview of the principles of meta-analysis applied to observational research. We will highlight general principles of meta-analysis and discuss the major threats to its validity, with an emphasis on its specific merits and pitfalls for psychosomatic research, using several examples. We conclude that meta-analysis is a relatively simple technique, leaving little reason for not routinely applying it when performing a systematic review. An adequately conducted meta-analysis may not only provide a summary estimate of a certain association, but it has additional value in discovering relevant confounders, mediators, and moderators, as well as identifying areas of research that require more attention.

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Authors: Tak, L. M., Meijer, A., Manoharan, A., de Jonge, P., & Rosmalen, J. G. M.
Affiliations: University Medical Center Groningen (NL)
Corresponding author: Rosmalen, Judith G. M.
ORCID: Tak, Lineke M.
Meijer, Anna
Rosmalen, Judith G. M.
Venue: Psychosomatic Medicine
Publisher: Ovid Technologies (Wolters Kluwer Health)
Published: 2010-04
Volume: 72
Issue: 3
Pages: 253-265
ISSN: 0033-3174 (ISSN-L)
DOI: 10.1097/psy.0b013e3181d714e1
OpenAlex: W2053234536
Cited by: 23
References: 89
Citations by year: 2023: 1 · 2022: 3 · 2021: 2 · 2019: 1 · 2018: 2 · 2016: 3 · 2015: 2 · 2014: 2 · 2013: 2 · 2012: 2
FWCI: 2.31
Type: journal article
Language: en
Open access: green
research.rug.nl
Licence: other-oa
Locations: Psychosomatic Medicine (publishedVersion)
PubMed (publishedVersion)
University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion, other-oa)
University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion, other-oa)
Funders: Medical Research Council
Topics: Social Sciences › Decision Sciences › Statistics, Probability and Uncertainty › Meta-analysis and systematic reviews
Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Epidemiology
Physical Sciences › Mathematics › Statistics and Probability › Advanced Causal Inference Techniques
Keywords: meta-analysis, observational studies, heterogeneity, threats to validity, confounders, mediators, moderators, systematic reviews, research priorities
MeSH terms: Clinical Trials as Topic, Humans, Psychosomatic Medicine, Review Literature as Topic, Meta-Analysis as Topic, Reproducibility of Results, Randomized Controlled Trials as Topic, Biomedical Research

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More Than the Sum of Its Parts: Meta-Analysis and Its Potential to Discover Sources of Heterogeneity in Psychosomatic Medicine

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