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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 SF‐12 PCS | 3 | 498 | Mean Difference (IV, Random, 95% CI) | ‐1.96 [‐4.55, 0.63] |
| 2 SF‐12 MCS | 3 | 498 | Mean Difference (IV, Random, 95% CI) | ‐1.26 [‐4.75, 2.22] |
