Systematic Reviews use explicit methods to collect all evidence that fits pre-specified eligibility criteria to answer a specific research question. Systematic Review methodology aims to reduce bias. In systematic reviews with very homogenous data, a meta analysis (a statistical technique used to combine data) provides more powerful conclusions.
6 months to 2 years
A team is required for this type of review.
To critically appraise the evidence available for a specific clinical question.
Sultan P, Bampoe S, Shah R, et al. Oral vs intravenous iron therapy for postpartum anemia: a systematic review and meta-analysis. Am J Obstet Gynecol. 2019;221(1):19-29. doi:10.1016/j.ajog.2018.12.016