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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Reduction of scar width | 1 | 30 | Mean Difference (IV, Fixed, 95% CI) | ‐0.03 [‐0.15, 0.09] |
| 2 Reduction of scar length | 1 | 30 | Mean Difference (IV, Fixed, 95% CI) | ‐0.02 [‐0.07, 0.03] |
| 3 Scar colour improvement | 2 | 136 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.01 [0.87, 1.17] |
