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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Operating time in minutes | 11 | 869 | Mean Difference (IV, Random, 95% CI) | ‐9.15 [‐15.09, ‐3.21] |
| 2 Intraoperative blood loss in mililitres | 2 | 124 | Mean Difference (IV, Random, 95% CI) | ‐22.33 [‐26.46, ‐18.20] |
