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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Pain | 2 | 106 | Mean Difference (IV, Random, 95% CI) | ‐1.63 [‐2.20, ‐1.06] |
| 2 Need for surgery | 1 | 50 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.68 [0.21, 2.24] |
