Table 1. Baseline demographic characteristics of the study population.
Characteristics (n = 1,627) | No. of patients (%) |
---|---|
Gender (Female) | 1,022 (62.8) |
Durations of headache history* | |
≤7 days | 464 (28.5) |
8 days-1 month | 343 (21.1) |
1 month-1 yr | 371 (22.8) |
>1 yr | 445 (27.4) |
Age of headache onset (yr) | |
≤20 | 100 (6.1) |
21-30 | 285 (17.5) |
31-40 | 339 (20.8) |
41-50 | 340 (20.9) |
51-60 | 313 (19.2) |
61-70 | 167 (10.3) |
≥71 | 83 (5.1) |
*Data of headache duration were not available for 4 cases.