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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 2.1 Allocation Concealment | 4 | 499 | Std. Mean Difference (IV, Random, 95% CI) | 0.01 [‐0.16, 0.19] |
| 2.2 Intention to Treat Analysis | 6 | 898 | Std. Mean Difference (IV, Random, 95% CI) | 0.14 [‐0.03, 0.31] |
