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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1.1 Proportion without pain | 1 | 106 | Risk Ratio (M‐H, Random, 95% CI) | 0.85 [0.67, 1.07] |
| 1.2 Withdrawal due to adverse events | 3 | 211 | Risk Ratio (M‐H, Random, 95% CI) | 1.05 [0.94, 1.19] |
