Table 4 Frequency distribution of findings on CTA scan
Group | Total (n, (%)) | Migraine (n, (%)) | Non-migraine (n, (%)) | P-value | |
|---|---|---|---|---|---|
CTA | Total | 29 | 20 | 9 | 0.382 |
Normal | 22 (75.9) | 14 (70.0) | 8 (88.9) | ||
Abnormal | 7 (24.1) | 6 (30.0) | 1 (11.1) | ||
- infundibular dilatation at distal ICA | 2 | 2 | 0 | ||
- stenosis at the clinoid segment of distal | 1 | 1 | 0 | ||
ICA | 1 | 1 | 0 | ||
- vertebral artery arising from aortic arch | 1 | 1 | 0 | ||
- early bifurcation of MCA M2 | 1 | 1 | 0 | ||
- developmental venous anomaly | 1 | 0 | 1 | ||
- moyamoya disease | |||||