Table 1
GRADE score definitions
| Grade | Definition | |
| High |
| High confidence that the true effect is close to the estimated effect |
| Moderate |
| Moderate confidence that the true effect is close to the estimated effect |
| Low |
| Low confidence that the true effect is close to the estimated effect |
| Very Low |
| Very low confidence that the true effect is close to the estimated effect |
| Ungraded | GRADE analysis not possible, but evidence deemed important | |