Table 6 Further analysis of perivascular space (Virchow-Robin space) on MRI scan
Total (n, %) | Migraine (n, %) | Non-migraine (n, %) | p-value | |
|---|---|---|---|---|
1) Size | ||||
Non visualization | 12 (11.3) | 6 (13.0) | 6 (8.4) | 0.584 |
Normal (< 2 mm) | 76 (72.4) | 31 (67.4) | 45 (76.3) | |
DPVS* (> 2 mm) | 18 (17.1) | 9 (19.6) | 9 (15.3) | |
2) Location | ||||
Basal ganglia | 72 (75.8) | 32 (78.0) | 40 (74.1) | 0.787 |
Supratentorial | 2 (2.1) | 0 (0) | 2 (3.7) | |
Both | 21 (22.1) | 9 (22.0) | 12 (22.2) | |
3) Shape | ||||
Linear | 58 (63.0) | 27 (65.9) | 31 (60.8) | 0.653 |
Ectatic | 33 (35.9) | 13 (31.7) | 20 (39.2) | |
Cystic(round) | 1 (1.2) | 1 (2.4) | 0 (0) | |