PRISMA Flow Diagram: How publications ‘flow’ through the updated PRISMA 2020 process and chart
![PRISMA Flow Diagram Example](https://about.nested-knowledge.com/wp-content/uploads/2022/07/Screen-Shot-2022-07-22-at-12.26.40-PM-e1658511023490-1024x740.png)
The PRISMA Flow Diagram has become a standard part of any systematic review or meta-analysis, and with good reason– it is the most widely accepted method to show the process by which the studies included in a review were included (or excluded). It also shows the different possible steps of a review, different potential sources (from PubMed to ‘expert recommendations’), and the exact reasons you set up to differentiate the wheat from the chaff among the studies you examined.