Comparison 1. Comparison for efficacy.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1.1 Clinical rating scale | 1 | 24 | Mean Difference (IV, Fixed, 95% CI) | ‐0.75 [‐0.83, ‐0.67] |
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