Table 2.
Segment | Measurement 1 | Height | BBH 2 | BiMa 3 |
---|---|---|---|---|
Carotid bulb (C1a) | 7.59 (±0.99) | p = 0.0005 | p = 0.0080 | p = 0.0226 |
Post-bulbar section (C1b) | 5.51 (±0.63) | p = 0.0356 | p = 0.4014 | p = 0.5521 |
Midpoint of C1 (C1c) | 4.85 (±0.53) | p = 0.0365 | p = 0.0730 | p = 0.1512 |
Endpoint of C1 (C1d) | 4.67 (±0.47) | p = 0.0224 | p = 0.1031 | p = 0.1539 |
C2 | 4.53 (±0.47) | p = 0.0598 | p = 0.3029 | p = 0.2993 |
C3 | 4.33 (±0.45) | p = 0.0150 | p = 0.1846 | p = 0.1744 |
C4 | 4.27 (±0.45) | p = 0.0075 | p = 0.0889 | p = 0.0984 |
C5 | 4.15 (±0.48) | p = 0.0027 | p = 0.0166 | p = 0.0506 |
C6 | 2.88 (±0.40) | p = 0.4606 | p = 0.1686 | p = 0.2540 |
C7 | 2.71 (±0.37) | p = 0.3660 | p = 0.3329 | p = 0.6489 |
Extracranial length | 86.10 (±18.65) | p < 0.0001 | p = 0.0052 | p = 0.0197 |
Intracranial length | 69.36 (±8.69) | p < 0.0001 | p < 0.0001 | p < 0.0001 |
Total ICA length | 155.04 (±24.90) | p < 0.0001 | p < 0.0001 | p = 0.0004 |
1 Measurements are presented as the average size in millimeters ± standard deviation; 2 height between the basion and the bregma; 3 bimastoid width.