Table 3.
Segment | Tortuosity index, Right side | Tortuosity index, Left side | Overall Tortuosity index | P-value |
---|---|---|---|---|
CCA segment* | 0.20 ± 0.086 | 0.15 ± 0.82 | 0.17 ± 0.088 | <0.001 |
Cervical ICA | 0.17 ± 0.87 | 0.18 ± 0.079 | 0.18 ±0.83 | 0.4 |
Intracranial ICA | 0.45 ± 0.086 | 0.47 ± 0.70 | 0.46 ± 0.79 | 0.2 |
Abbreviations: CCA, common carotid artery; ICA, internal carotids artery.
Brachiocephalic segment is included into right CCA pathway measurement