Characteristics | Men (n=257) | Women (n=217) | p Value |
---|---|---|---|
Age (years) | 54.1±11.6 | 57.5±12.8 | 0.002 |
WFNS grade at admission | 1.7±1.3 | 1.6±1.3 | 0.692 |
WFNS grade I–II | 204 (79.8%) | 178 (82.4%) | |
WFNS grade III | 7 (2.7%) | 4 (1.9%) | |
WFNS grade IV–V | 45 (17.5%) | 34 (15.7%) | |
Fisher grade at admission | 0.380 | ||
Grade I–II | 34 (13.2%) | 26 (12.0%) | |
Grade III | 80 (31.1%) | 55 (25.2%) | |
Grade IV | 123 (47.9%) | 121 (55.8%) | |
Missing | 20 (7.8%) | 15 (7.0%) | |
Aneurysm morphology | |||
Vessel size (mm) | 1.8±0.6 | 2.0±0.5 | 0.002 |
Aneurysm size (mm) | 5.6±2.6 | 4.9±2.3 | 0.001 |
Aneurysm height (mm) | 4.5±2.2 | 4.0±2.1 | 0.011 |
Perpendicular height (mm) | 3.7±1.8 | 3.4±1.8 | 0.107 |
Neck size (mm) | 3.0±1.1 | 2.9±1.2 | 0.245 |
Size ratio | 2.9±2.7 | 2.1±1.3 | <0.001 |
Aspect ratio | 1.3±0.8 | 1.2±0.6 | 0.306 |
Flow angle | 137.0±27.9 | 132.1±27.3 | 0.047 |
Vessel angle | 62.5±26.5 | 57.5±28.4 | 0.046 |
Aneurysm angle | 70.1±19.4 | 70.9±17.4 | 0.609 |
Aneurysm projection | 0.858 | ||
Anterior projection | 189 (73.5%) | 158 (72.8%) | |
Posterior projection | 68 (26.5%) | 59 (27.2%) | |
A1 segment configuration | 0.497 | ||
Symmetric | 77 (30.0%) | 76 (35.0%) | |
Dominant | 115 (44.7%) | 89 (41.0%) | |
Complete | 65 (25.3%) | 52 (24.0%) | |
Multiple aneurysms | 31 (12.1%) | 38 (17.6%) | 0.094 |
Treatment modality | 0.883 | ||
Clipping | 96 (37.4%) | 77 (35.5%) | |
Coiling | 124 (48.2%) | 106 (48.8%) | |
Medical treatment | 37 (14.4%) | 34 (15.7%) | |
Angiographic vasospasm | 21 (8.2%) | 24 (11.1%) | 0.291 |
Cerebral infarction | 24 (9.3%) | 25 (11.5%) | 0.437 |
WFNS, World Federation of Neurological Societies.