| Controls | Patients | p |
CC | 50.0% | 28.1% | <10−3 |
CT | 42.7% | 56.3% | 0.013 |
TT | 7.3% | 15.6% | <10−3 |
C allele | 71.35% | 56.25% | <10−3 |
T allele | 27.65% | 43.75% | <10−3 |