Table 1 Demographic characteristics of MS cases at the onset of the disease in Tehran, Iran
Variables | N (%) |
|---|---|
Sex | |
Male | 5393 (24.99) |
Female | 16,187 (75.01) |
Age | |
≤ 18 | 2023 (9.7) |
19–24 | 5098 (24.7) |
25–29 | 4807 (23.3) |
30–34 | 3704 (18.0) |
35–39 | 2395 (11.6) |
40–44 | 1518 (7.4) |
≥ 45 | 1091 (5.3) |
Familial MS | |
Yes | 2815 (13.4) |
No | 18,145 (86.6) |