PRISMA 2020Revista espanola de cardiologia (English ed.) 2021
The PRISMA 2020 statement: an updated guideline for reporting systematic reviews
Replaced PRISMA 2009 with an expanded 27-item checklist, an abstract checklist and revised flow diagrams for both new and updated reviews, reflecting advances in how studies are identified, selected, appraised and synthesised.
GuidelineManagementResearch, statistics & guidelines
JBJS levels of evidenceThe Journal of bone and joint surgery. American volume 2003
Introducing levels of evidence to the journal
Introduced a five-level hierarchy, from high-quality RCTs (level I) to expert opinion (level V), applied separately to therapeutic, prognostic, diagnostic and economic studies.
OtherManagementResearch, statistics & guidelines