Tell Us About Your Evidence
A hierarchal approach is used to appraise evidence within the PEN System. Evidence Analysts use an Evidence Grading Checklist where high quality study designs are primarily reviewed.
You're using the new PEN System interface that will officially launch for all PEN users on July 13, 2026. After that time, you will no longer be able to access the classic version.
Did you read a study or guideline that you think should be considered by the PEN Team? Share it with us and we'll review it for potential inclusion.
A hierarchal approach is used to appraise evidence within the PEN System. Evidence Analysts use an Evidence Grading Checklist where high quality study designs are primarily reviewed.