Evidence-based retrieval in evidence-based medicine.

Timothy B. Patrick · George Demiris · Lillian C. Folk · David Moxley · Joyce A. Mitchell · Donghua Tao

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Meta-analysis and systematic reviews scientometrics and bibliometrics research Health Sciences Research and Education

Abstract

OBJECTIVE: Clinical decisions based on a meta-analysis that is based on an ineffective retrieval strategy may have serious negative consequences for patients. The study objective was to investigate the extent to which meta-analyses report proof of their retrieval strategies' effectiveness. METHODS: The authors examined a random sample (n = 100) of articles in the 1996 to 2002 full-text subset of Ovid MEDLINE indexed as "meta-analysis." We classified the articles in three ways: the article (A) reported both a retrieval strategy in sufficient detail (such that it could be repeated) and with evidence of the strategy's effectiveness, (B) reported a retrieval strategy in sufficient detail but not with evidence of the strategy's effectiveness, or (C) neither reported a strategy in detail nor evidence of the strategy's effectiveness. Articles classified as (A) were further classified according to the level of evidence reported. RESULTS: Of the eighty-nine articles in our final analysis, six (6.7%) were classified as category (A), fifty-seven (64%) as (B), and twenty-six (29%) as (C). Articles in category (A) reported a previously validated search, a published strategy, or strategy based on expert opinion. CONCLUSION: Peer-review standards must be developed that require authors of meta-analyses to report evidence for the effectiveness of their retrieval strategies.

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References

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2006Meta-Analysis in Library and Information Science: Method, History, and Recommendations for Reporting Research 2011Inquisitio validus Index Medicus: A simple method of validating MEDLINE systematic review searches 2004Mounting evidence that librarians are essential for comprehensive literature searches for meta-analyses and Cochrane reports.2005The application of special technologies in diagnostic anatomic pathology: is it consistent with the principles of evidence-based medicine?2012The role of medical librarians in medical education review articles 2021The decisions and processes involved in a systematic search strategy: a hierarchical framework 2007How Do Psychology Researchers Find Studies to Include in Meta-Analyses?2004Research Program Peer Review: Purposes, Principles, Practices, Protocols

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