Scottish Intercollegiate Guidelines Network: modified grades of recommendation55
| Grade | Criteria |
|---|---|
| A | At least one meta-analysis, systematic review or randomised controlled trial rated as 1++ and directly applicable to the target population; or |
| A body of evidence consisting principally of studies rated as 1+, directly applicable to the target population and demonstrating overall consistency of results | |
| B | A body of evidence including studies rated as 2++, directly applicable to the target population, and demonstrating overall consistency of results; or |
| Extrapolated evidence from studies rated as 1++ or 1+ | |
| C | A body of evidence including studies rated as 2+, directly applicable to the target population and demonstrating overall consistency of results; or |
| Extrapolated evidence from studies rated as 2++ | |
| D | Evidence level 3 or 4; or |
| Extrapolated evidence from studies rated as 2+ | |
| Good practice point | Recommended best practice based on the clinical experience of the pathway working group |
| Clinical practice guideline | Evidence included from recommendations listed in appraised clinical guidelines, position papers and expert consensus statements |