| SNP | Genotypes | Cases and Controls n (%) n = 308 (100) | Cases n (%) n = 180 (100) | Controls n (%) n = 128 (100) |
| −336 rs4804803 | AA | 100 (32.47) | 60 (33.33) | 40 (31.25) |
| AG | 148 (48.05) | 81 (45.00) | 67 (52.34) | |
| GG | 60 (19.48) | 39 (21.67) | 21 (16.41) | |
|
| HWE p-value | 0.89 | 0.52 | 0.76 |