Table 5 Frequency distribution of findings on MRI scan
Abnormal finding | Total N, (Frequency (%)) | Migraine N, (Frequency (%)) | Non-migraine N, (Frequency (%)) | P-value |
|---|---|---|---|---|
Sinusitis | 15 (14.2) | 9 (19.6) | 6 (10.0) | 0.161 |
Dilated perivascular space* | 18 (16.8) | 9 (19.6) | 9 (15.0) | 0.584 |
White matter lesion | 7 (6.6) | 4 (8.7) | 3 (5.0) | 0.464 |
Brain atrophy | 1 (0.9) | 0 (0) | 1 (1.7) | 1.000 |
Focal cortical dysplasia | 1 (0.9) | 0 (0) | 1 (1.7) | 1.000 |
Empty sella | 1 (0.9) | 0 (0) | 1 (1.7) | 1.000 |
Fibrous dysplasia | 1 (0.9) | 0 (0) | 1 (1.7) | 1.000 |
tumor lesion - germinoma - lipoma | 2 (1.9) 1 1 | 1 (2.2) 0 1 | 1 (1.7) 1 0 | 1.000 |
Cystic lesion - pineal cyst - choroid plexus neuroepithelial cyst - choroid fissure cyst - arachnoid cyst | 15 (14.2) 3 1 2 8 | 6 (13.0) 1 1 1 3 | 9 (15.0) 2 0 2 5 | 0.848 |
Extra-cranial lesion - Thornwaldt cyst - Tonsillar hypertrophy | 3 (2.8) 1 2 | 0 (0) 0 0 | 3 (5.0) 1 2 | 0.256 |
Vascular lesion - hypoplasia of Rt. ACA A1 segment | 1 (0.9) 1 | 0 (0) 0 | 1 (1.7) 1 | 1.000 |
Normal | 61 (57.5) | 27 (58.7) | 34 (56.7) | |
Total finding | 126 | 56 | 70 | |
Total patients | 106 | 46 | 60 |