| Cases | Controls | ||||
Male | Female | Total | Male | Female | Total | |
% patients | 44% (n = 132) | 56% (n = 168) | 300 | 45% (n = 54) | 55% (n = 66) | 120 |
Average age (years) | 33.7 | 33.6 | 33.4 | 37.6 | 36.5 | 37.0 |