A 2002 AHRQ review found that many grading schemes have been developed:

  • 20 systems to evaluate systematic reviews
  • 49 for RCTs
  • 19 for observational studies
  • 18 for diagnostic test studies
  • 40 for a body of evidence


Back Next
11
About Us Policies Grading Tutorial Grading Tutorial Grading Recommendations in UpToDate
Print this page Print