| 677C > T | CC (W) | CT | TT | P |
| Male | 10.21 | 10.98 | 11.49 | 0.08 |
| Female | 9.19 | 9.08 | 9.03 | 0.91 |
| 1298A > C | AA | AC | CC |
|
| Male | 10.71 | 10.68 | 10.35 | 0.81 |
| Female | 8.92 | 9.20 | 9.55 | 0.20 |