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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Non‐compliance: leaving the study early, any reason | 6 | 444 | Odds Ratio (M‐H, Fixed, 95% CI) | 1.14 [0.77, 1.70] |
| 2 Adverse events, any | 3 | 300 | Odds Ratio (M‐H, Fixed, 95% CI) | 3.48 [1.68, 7.21] |
