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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Proportion of participants experiencing global improvement. Follow‐up ≤ 3 weeks | 2 | 162 | Risk Ratio (M‐H, Random, 95% CI) | 1.01 [0.81, 1.25] |
| 2 Proportion of participants experiencing adverse events | 4 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected |
