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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1.1 Global improvement | 2 | 205 | Risk Ratio (M‐H, Random, 95% CI) | 1.17 [0.87, 1.56] |
| 1.2 Withdrawals due to adverse events | 3 | 238 | Risk Ratio (M‐H, Random, 95% CI) | 3.17 [0.65, 15.33] |
