![]() Several early studies evaluated the quality of review reports. As with other publications, the reporting quality of systematic reviews varies, limiting readers' ability to assess the strengths and weaknesses of those reviews. As with all research, the value of a systematic review depends on what was done, what was found, and the clarity of reporting. Granting agencies may require a systematic review to ensure there is justification for further research, and some health care journals are moving in this direction. Clinicians read them to keep up to date with their field, , and they are often used as a starting point for developing clinical practice guidelines. Systematic reviews and meta-analyses have become increasingly important in health care. For details on further use, see the PRISMA Web site ( ). The authors jointly hold the copyright of this article. In order to encourage dissemination of the PRISMA Statement, this article is freely accessible on the PLoS Medicine Web site ( ) and will be also published in the Annals of Internal Medicine, BMJ, Journal of Clinical Epidemiology, and Open Medicine. Provenance: Not commissioned externally peer reviewed. Preferred Reporting Items for Systematic reviews and Meta-Analyses QUOROM, ![]() ![]() Additionally, no funder played a role in drafting the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist. None of the sponsors had any involvement in the planning, execution, or write-up of the PRISMA documents. DM is funded by a University of Ottawa Research Chair. AL is funded, in part, through grants of the Italian Ministry of University (COFIN - PRIN 2002 prot. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.įunding: PRISMA was funded by the Canadian Institutes of Health Research Università di Modena e Reggio Emilia, Italy Cancer Research UK Clinical Evidence BMJ Knowledge the Cochrane Collaboration and GlaxoSmithKline, Canada. PLoS Med 6(7):Ĭopyright: © 2009 Moher et al. Citation: Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group (2009) Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement.
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