Age and Sex of Patients in the Headache and Control Groups (n = 200)
| Total Patients | Headache Group (n = 100) | Control Group* (n = 100) | |
|---|---|---|---|
| Age, years (mean ± SD) | 43.8 ± 15.3 | 43.7 ± 15.6 | 43.9 ± 15.2 |
| Sex (n [%]) | |||
| Male | 32 (16.0) | 16 (16.0) | 16 (16.0) |
| Female | 168 (84.0) | 84 (84.0) | 84 (84.0) |
* Control group included patients presenting without headache.