Guides
Systematic review guides, step by step
Practical guides to each stage of a systematic review and meta-analysis, in the order you will meet them. Each one gives the short answer first, then the steps, then the methodological sources to cite.
- 01PICO and search strategyTurn a research question into Boolean searches for PubMed, Embase, LILACS, SciELO and more.Read the guide →
- 02DeduplicationRemove duplicate references across databases without losing studies.Read the guide →
- 03Title and abstract screeningDual independent screening, calibration and conflict resolution, Cochrane-style.Read the guide →
- 04PRISMA 2020 flow diagramCount records, reports and studies correctly at every box of the diagram.Read the guide →
- 05Data extractionDesign, pilot and run a data extraction form you can defend.Read the guide →
- 06Risk of bias (RoB 2, ROBINS-I)Assess randomized and non-randomized studies with the right tool.Read the guide →
- 07Meta-analysis in RPool effects with meta and metafor, read heterogeneity and draw forest plots.Read the guide →
- 08GRADE certainty of evidenceRate certainty per outcome and build a summary of findings table.Read the guide →
- 09PROSPERO registrationRegister your systematic review protocol before you start screening.Read the guide →