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Nomogram risk stratification.
| Variables | Endovascular coiling | Surgical clipping | ||
|---|---|---|---|---|
| OR (95% CI) | p-value | OR (95% CI) | p-value | |
| Low-risk group | ||||
| Medium-risk group | 2.791 (1.134, 7.868) | 0.034 | 5.291 (2.326, 13.671) | <0.001 |
| High-risk group | 17.506 (8.014, 46.109) | <0.001 | 26.641 (11.913, 68.537) | <0.001 |
