Comparison 1. Pain.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1.1 Pain at 1 week | 6 | 315 | Mean Difference (IV, Random, 95% CI) | ‐0.84 [‐1.38, ‐0.30] |
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