Methodology
Rating Systems for Strength of Scientific Evidence: Clinical Focus
March 2002
Clinical Focus*
- Systematic approaches to assessing the strength of scientific evidence.
- Nineteen generic systems that fully address key quality domains for a particular type of study (e.g., systematic reviews, randomized controlled trials, observational studies, diagnostic test studies).
- Seven systems that address all three domains—quality, quantity, and consistency—grading the strength of a body of evidence.
*Addressed in the summary or evidence report.
Systems to Rate the Strength of Scientific Evidence
Summary (Publication No. 02-E015, March 2002)
Evidence Report (Publication No. 02-E016, April 2002)
(File Download)
Fact Sheet / Selected Publications
EPC: Research Triangle Institute/UNC-CH
Topic Nominator: Center for Practice and Technology Assessment
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