PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guides reporting of systematic reviews and meta-analyses.

Ensure systematic reviews are reported with enough detail to evaluate methodology and reproduce searches.

Who should use it

Authors of systematic reviews, meta-analysts, and evidence synthesis teams.

Required for systematic reviews and meta-analyses synthesizing evidence.

• Registered protocol reference
• Eligibility criteria
• Information sources and search strategy
• Study selection process
• Data extraction and risk of bias
• Synthesis methods
• PRISMA flow diagram

• PRISMA flow diagram
• Reproducible search strategy
• Inclusion and exclusion criteria
• Risk of bias assessment method

• Incomplete search documentation
• Flow diagram counts do not match text
• Missing risk of bias assessment