Table 2 Frequency of DR Phenotypes
| Â | IDDM Family Group | Â | Â | |||||
|---|---|---|---|---|---|---|---|---|
| Â | ICA-Negative (n = 96) | ICA-Positive (n = 53) | IDDM (n = 68) | Unrelated IDDM Subjects (n = 270) | ||||
Phenotype | n | % | n | % | n | % | n | % |
DR3,4 | 14 | 15 | 16 | 30 | 30 | 44 | 107 | 40 |
DR3,3 | 4 | 4 | 3 | 6 | 7 | 10 | 26 | 10 |
DR4,4 | 5 | 5 | 4 | 7 | 8 | 12 | 24 | 9 |
DR4,Xa | 30 | 31 | 15 | 28 | 14 | 21 | 64 | 24 |
DR3,X | 27 | 28 | 13 | 25 | 7 | 10 | 22 | 8 |
DRX,X | 16 | 17 | 2 | 4 | 2 | 3 | 27 | 10 |