Multivariate Cox proportional hazard regression in the midterm angiographic follow-up results
| Variables | OR (95% CI) | P value |
| Age | 0.977 (0.937 to 1.017) | 0.253 |
| AR | 1.091 (0.557 to 2.139) | 0.799 |
| SR | 1.154 (0.850 to 1.568) | 0.359 |
| Treatment therapy (%) | ||
| Coiling | Ref | |
| Stent-assisted coiling | 0.590 (0.170 to 2.044) | 0.405 |
| Flow diverter | 0.373 (0.083 to 1.671) | 0.198 |
| The RR of velocity at the aneurysm neck (%) | 0.050 (0.004 to 0.585) | 0.017 |
AR, aspect ratio; RR, reduction ratio; SR, size ratio.