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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Graft thrombosis | 2 | 959 | Odds Ratio (M‐H, Random, 95% CI) | 0.40 [0.13, 1.19] |
| 2 Radiological and/or surgical intervention | 1 | Odds Ratio (M‐H, Fixed, 95% CI) | Totals not selected |
