−94delATTG allele and genotype frequencies in British ulcerative colitis (UC) cases and controls
| n | WW (%) | WD (%) | DD (%) | Frequency of D allele (%) | |
|---|---|---|---|---|---|
| WW, wild insertion homozygote; WD, heterozygote; DD, deletion homozygote; D, −94 del ATTG allele | |||||
| Controls | 657 | 231 (35.2) | 330 (50.2) | 96 (14.6) | 39.7 |
| UC | 472 | 170 (36.0) | 225 (47.7) | 77 (16.3) | 40.1 |