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Age and sex distribution of cases and controls.
| Age range (years) | Female | Male | All |
|---|---|---|---|
| Migraine (cases) | |||
| 15–30 | 13 (32.4) | 1 (2.7) | 14 (37.8) |
| 31–45 | 10 (27) | 2 (5.4) | 12 (32.4) |
| 46–50 | 4 (10.8) | 1 (2.7) | 5 (13.5) |
| >50 | 5 (13.5) | 1 (2.7) | 6 (16.2) |
| Non-migraine (controls) | |||
| 15–30 | 9 (24.3) | 2 (5.4) | 11 (29.7) |
| 31–45 | 5 (11.6) | 1 (2.7) | 6 (16.2) |
| 46–50 | 4 (10.8) | 1 (2.7) | 5 (13.5) |
| >50 | 12 (32.4) | 3 (8.1) | 15 (40.5) |
| Total | 30 (81.1) | 7 (18.9) | 37 (100) |
Data are number of patients with percentages in parentheses.
