Table 4 Summary of the GRADE assessment
Study design | Risk of bias | Inconsistency | Indirectness | Imprecision | Publication bias | Absolute effect (95%CI) (%) | Quality | |
|---|---|---|---|---|---|---|---|---|
With RT | RCT | Not serious | Not serious | Not serious | Not serious | Not serious | 2.01 (1.09, 2.93) | ⨁⨁⨁⨁ High |
Without RT | RCT | Not serious | Not serious | Not serious | Not serious | Serious | 0.13 (− 1.53, 1.79) | ⨁⨁⨁◯ Moderate |
All | RCT | Not serious | Not serious | Not serious | Not serious | Not serious | 1.40 (0.55, 2.24) | ⨁⨁⨁⨁ High |