Table 1 Summary of the strength of recommendation and evidence
| Strength of recommendation | |
|
1 Strongly recommended 2 Weakly recommended (suggested) | |
| Strength of evidence (the overall strength of evidence across outcomes) | |
|
A Strongly confident of the estimate of effect (strong) B Moderately confident of the estimate of effect (moderate) C Limited confidence of the estimate of effect (weak) D Very little confident of the estimate of effect (very weak) |