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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Non‐complete obliteration after 1 year | 3 | 1626 | Risk Ratio (M‐H, Fixed, 95% CI) | 2.02 [1.65, 2.47] |
| 2 < 90% occlusion after 1 year | 2 | 1440 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.43 [0.93, 2.21] |
