Variable | Total (n=699) | AcoA group (n=427) | PcoA group (n=272) | P value |
Age (years) (mean±SD) | 59.9±10.0 | 59.3±9.8 | 60.9±10.2 | 0.048 |
Women (n (%)) | 459 (65.7) | 232 (54.3) | 229 (84.2) | <0.01 |
Maximal aneurysm size (mm) (mean±SD) | 5.4±2.5 | 5.1±2.2 | 5.8±2.9 | <0.01 |
Neck size (mm) (mean±SD) | 3.4±1.5 | 3.3±1.4 | 3.7±1.7 | <0.01 |
Depth to neck ratio (mean±SD) | 1.3±0.6 | 1.3±0.5 | 1.4±0.6 | 0.010 |
Presentation (n (%)) | 0.68 | |||
Unruptured | 607 (86.8) | 369 (86.4) | 238 (87.5) | |
SAH | 92 (13.2) | 58 (13.6) | 34 (12.5) | |
Retreatment (n (%)) | 88 (12.6) | 43 (10.1) | 45 (16.5) | 0.012 |
Hypertension (n (%)) | 379 (54.2) | 231 (54.1) | 148 (54.4) | 0.94 |
Diabetes mellitus (n (%)) | 89 (12.7) | 58 (13.6) | 31 (11.4) | 0.40 |
Hyperlipidemia (n (%)) | 300 (42.9) | 172 (40.3) | 128 (47.1) | 0.08 |
Smoking (n (%)) | 106 (15.2) | 70 (16.4) | 36 (13.2) | 0.26 |
Poor functional status (n (%)) | 20 (2.9) | 10 (2.3) | 10 (3.7) | 0.30 |
Dominant PcoA or A1 (n (%)) | 249 (35.6) | 142 (33.3) | 107 (39.3) | 0.10 |
Technique (n (%)) | <0.01 | |||
Single microcatheter | 241 (34.5) | 173 (40.5) | 68 (25.0) | |
Double microcatheter | 193 (27.6) | 107 (25.1) | 86 (31.6) | |
Microcatheter protection | 40 (5.7) | 22 (5.2) | 18 (6.6) | |
Balloon remodeling | 22 (3.1) | 2 (0.5) | 20 (7.4) | |
Stent assisted | 205 (29.3) | 125 (29.3) | 80 (29.4) | |
Procedural rupture (n (%)) | 10 (1.4) | 6 (1.4) | 4 (1.5) | 1.00 |
Thromboembolism (n (%)) | 22 (3.1) | 16 (3.7) | 6 (2.2) | 0.26 |
Initial occlusion (n (%)) | <0.01 | |||
Complete occlusion | 334 (47.8) | 215 (50.4) | 119 (43.8) | |
Residual neck | 154 (22.0) | 73 (17.0) | 81 (29.8) | |
Residual aneurysm | 211 (30.2) | 139 (32.6) | 72 (26.5) |
AcoA, anterior communicating artery; PcoA, posterior communicating artery; SAH, subarachnoid hemorrhage.