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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Intermediate reintervention (up to four years) | 3 | 2432 | Odds Ratio (M‐H, Random, 95% CI) | 2.56 [1.04, 6.33] |
| 2 Long term reintervention (beyond 4 years) | 3 | 2484 | Odds Ratio (M‐H, Random, 95% CI) | 1.98 [1.12, 3.51] |
