Apply all your limits (such as years of search, English language only, and so on). Step 2: Doing the Database Search Run the search for each database individually, including ALL your search terms, any MeSH or other subject headings, truncation (like hemipleg *), and/or wildcards (like sul ?ur). It can be downloaded from the PRISMA website.

Step 1: Preparation To complete the the PRISMA diagram, save a copy of the diagram to use alongside your searches. PRISMA is part of a broader effort, to improve the reporting of different types of health research, and in turn to improve the quality of research used in decision-making in healthcare.' It is strongly recommended that it be used in conjunction with the PRISMA Statement. 'The PRISMA Explanation and Elaboration document explains and illustrates the principles underlying the PRISMA Statement. The PRISMA Statement consists of a 27-item checklist and a four-phase flow diagram.' PRISMA may also be useful for critical appraisal of published systematic reviews, although it is not a quality assessment instrument to gauge the quality of a systematic review.

We have focused on randomized trials, but PRISMA can also be used as a basis for reporting systematic reviews of other types of research, particularly evaluations of interventions. The aim of the PRISMA Statement is to help authors improve the reporting of systematic reviews and meta-analyses. It is an evidence-based minimum set of items for reporting in systematic reviews and meta-analyses.

'PRISMA stands for Preferred Reporting Items for Systematic Reviews and Meta-Analyses.

Another word for previous studied