Table 3.
Strong evidence | Consistent findings in multiple high quality RCTs (n > 2) |
Moderate evidence | Consistent findings among multiple lower quality RCTs and/or one higher quality RCT |
Limited evidence | Only one relevant low quality RCT |
Conflicting evidence | Inconsistent findings amongst multiple RCTs |
No evidence from trials | No RCTs |
RCT, randomized controlled trial.