| Genotypes | Controls | Patients | P |
| Dominant Model |
|
|
|
| CC + TC | 9 (29%) | 4 (12.5%) | 0.129 |
| TT | 22 (71%) | 28 (87.5%) | |
| Recessive Model |
|
|
|
| TT + TC | 30(96.8%) | 30 (93.8%) | 0.95 |
| CC | 1 (3.2%) | 2 (6.2%) | |
| Additive Model |
|
|
|
| Allele T | 29 (93.5%) | 29 (90.6%) | 0.98 |
| Allele C | 2 (6.5%) | 3 (9.4%) |