Vessel dimensions based on gender, side and age
| Men (n=50) | Women (n=50) | p Value | Right (n=50) | Left (n=50) | p Value | Age 40–60 (n=66) | Age >60 (n=34) | p Value | |
| Length of ICA, mm | 34.1±5.6 | 32.1±6.4 | 0.09 | 32.3±5.2 | 34±6.8 | 0.1 | 32.1±5.5 | 35±6.7 | 0.02 |
| Diameter of cavernous ICA, mm | 5.1±0.6 | 4.9±0.6 | 0.08 | 5.1±0.7 | 5±0.5 | 0.4 | 4.9±0.6 | 5.3±0.6 | 0.003 |
| Diameter of terminus ICA, mm | 3.7±0.4 | 3.6±0.4 | 0.1 | 3.6±0.4 | 3.7±0.3 | 0.7 | 3.5±0.3 | 3.8±0.4 | <0.0001 |
| Length of MCA, mm | 23.6±8.9 | 21.5±7 | 0.1 | 23.1±8.7 | 22±7.4 | 0.5 | 22±7.1 | 23.5±9.8 | 0.4 |
| Diameter of M1, mm | 3.08±0.3 | 3.05±0.4 | 0.6 | 3.1±0.4 | 3±0.3 | 0.06 | 3±0.3 | 3.2±0.4 | 0.01 |
| Diameter of M2, mm | 2.4±0.5 | 2.3±0.4 | 0.5 | 2.4±0.5 | 2.3±0.4 | 0.1 | 2.3±0.4 | 2.4±0.5 | 0.3 |
ICA, internal carotid artery; MCA, middle cerebral artery.