| Alleles and génotypes |
| Phenotypes |
| Freq gp | HWE | |
| Controls (%) | Cases (%) | SP (%) | χ2 | P-value | ||
| Del | 295 (0.67) | 176 (0.74) | 55 (0.64) | 0.68 | 7.29 | 0.12 |
| Ins | 147 (0.33) | 62 (0.26) | 31 (0.36) | 0.32 | ||
| Del/Del | 99 (0.45) | 61 (0.51) | 17 (0.4) | 0.45 | ||
| Ins/Ins | 25 (0.11) | 4 (0.03) | 5 (0.11) | 0.09 | ||
| Del/Ins | 97 (0.44) | 54 (0.46) | 21 (0.49) | 0.46 | ||