Systematic review search methods evaluated using the Preferred Reporting of Items for Systematic Reviews and Meta-Analyses and the Risk Of Bias In Systematic reviews tool.

Ninety percent of SRs are failing to report search methods adequately and to conduct comprehensive searches using a wide range of resources. Editors of journals and peer reviewers need to ensure that they understand the requirements of PRISMA and that compliance is adhered to. Additionally, the comprehensiveness of search methods for SRs needs to be given more critical consideration.