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The PRISMA 2020 statement: An updated guideline for reporting systematic reviews
Matthew J. Page ,
Joanne E. McKenzie ,
Patrick M. Bossuyt ,
Isabelle Boutron ,
Tammy C. Hoffmann ,
Cynthia D. Mulrow ,
Larissa Shamseer ,
Jennifer M. Tetzlaff ,
Elie A. Akl ,
Sue E. Brennan ,
Roger Chou ,
Julie Glanville ,
Jeremy M. Grimshaw ,
Asbjørn Hróbjartsson ,
Manoj M. Lalu ,
Tianjing Li ,
Elizabeth W. Loder ,
Evan Mayo-Wilson ,
Steve McDonald ,
Luke A. McGuinness ,
Lesley A. Stewart ,
James Thomas ,
Andrea C. Tricco ,
Vivian A. Welch ,
Penny Whiting ,
David Moher
April 2021
April 2021
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Abstract
<p class="first" id="d3847944e434">The Preferred Reporting Items for Systematic reviews
and Meta-Analyses (PRISMA) statement,
published in 2009, was designed to help systematic reviewers transparently report
why the review was done, what the authors did, and what they found. Over the past
decade, advances in systematic review methodology and terminology have necessitated
an update to the guideline. The PRISMA 2020 statement replaces the 2009 statement
and includes new reporting guidance that reflects advances in methods to identify,
select, appraise, and synthesise studies. The structure and presentation of the items
have been modified to facilitate implementation. In this article, we present the PRISMA
2020 27-item checklist, an expanded checklist that details reporting recommendations
for each item, the PRISMA 2020 abstract checklist, and the revised flow diagrams for
original and updated reviews.
</p>