Risk factors for unfavorable angiographic outcomes in patients with available cerebral angiographic data
| Angiographic outcomes | Univariate analysis | Multivariate analysis | ||||
| Unfavorable (n=21) | Favorable (n=56) | P value | OR | 95% CI | P value | |
| Age (years) | 59±9 | 57±11 | 0.467 | |||
| Women | 7 (9.1) | 16 (20.8) | 0.684 | |||
| Smoking | 8 (10.4) | 22 (28.6) | 0.924 | |||
| Diabetes | 1 (1.3) | 5 (6.5) | 1.000 | |||
| Hypertension | 15 (19.5) | 42 (54.5) | 0.750 | |||
| Hyperlipidemia | 8 (10.4) | 17 (22.1) | 0.518 | |||
| Ischemic stroke | 6 (7.8) | 13 (16.9) | 0.627 | |||
| Incidental finding | 4 (5.2) | 12 (15.6) | 0.819 | |||
| Ruptured aneurysm | 5 (6.5) | 15 (19.5) | 0.791 | |||
| HH grade (IV–V) | 0 (0.0) | 3 (3.9) | 0.558 | |||
| mFS score (III–IV) | 4 (5.2) | 11 (9.9) | 1.000 | |||
| Sac aneurysm | 8 (10.4) | 40 (51.9) | 0.007 | |||
| Circumferential aneurysm | 16 (20.8) | 12 (15.6) | ＜0.001 | |||
| Coexisted with BA stenosis | 2 (2.6) | 7 (9.1) | 1.000 | |||
| AICA involved | 6 (7.8) | 4 (5.2) | 0.021 | |||
| Multiple stents | 10 (13.0) | 21 (27.3) | 0.420 | |||
| Flow diversion | 3 (3.9) | 4 (5.2) | 0.383 | |||
| Incomplete obliteration | 17 (22.1) | 13 (16.9) | ＜0.001 | 7.33 | 1.84 to 29.28 | 0.005 |
| Aneurysm size (mm) | 15.4±5.7 | 7.6±4.7 | ＜0.001 | 1.22 | 1.08 to 1.38 | 0.002 |
| Aneurysm length (mm) | 13.5±5.8 | 5.0±5.5 | ＜0.001 | |||
Variables are expressed as mean±SD or number (%) of patients.
AICA, anterior inferior cerebellar artery; BA, basilar artery; HH, Hunt and Hess; mFS, modified Fisher scale.