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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Hospital stay in days | 6 | 525 | Mean Difference (IV, Random, 95% CI) | ‐0.19 [‐0.63, 0.24] |
| 2 Return to work in days | 4 | 451 | Mean Difference (IV, Random, 95% CI) | ‐4.88 [‐7.59, ‐2.18] |
| 3 Number of patients unhappy with results | 2 | 70 | Odds Ratio (M‐H, Random, 95% CI) | 0.53 [0.16, 1.70] |
