Comparison of HLA-DRB1*04 Frequencies of ITP Patients, VKH Patients, and Controls
| DRB1 . | Controls (n = 71) . | ITP Patients (n = 111) . | VKH Patients (n = 53) . | |||
|---|---|---|---|---|---|---|
| No. . | % . | No. . | % . | No. . | % . | |
| DR4.1 group | 31.0 | 39.6 | 75.4 | |||
| DRB1*0401 | 1 | 1.4 | 2 | 1.8 | 0 | 0.0 |
| DRB1*0404 | 0 | 0.0 | 2 | 1.8 | 0 | 0.0 |
| DRB1*0405 | 19 | 26.8 | 14 | 12.6 | 27 | 50.9 |
| DRB1*0408 | 0 | 0.0 | 2 | 1.8 | 0 | 0.0 |
| DRB1*0410 | 2 | 2.8 | 24 | 21.6 | 13 | 24.5 |
| DR4.2 group | 16.9 | 11.7 | 18.9 | |||
| DRB1*0403 | 2 | 2.8 | 3 | 2.7 | 3 | 5.7 |
| DRB1*0406 | 8 | 11.3 | 8 | 7.2 | 6 | 11.3 |
| DRB1*0407 | 2 | 2.8 | 2 | 1.8 | 1 | 1.9 |
| DRB1 . | Controls (n = 71) . | ITP Patients (n = 111) . | VKH Patients (n = 53) . | |||
|---|---|---|---|---|---|---|
| No. . | % . | No. . | % . | No. . | % . | |
| DR4.1 group | 31.0 | 39.6 | 75.4 | |||
| DRB1*0401 | 1 | 1.4 | 2 | 1.8 | 0 | 0.0 |
| DRB1*0404 | 0 | 0.0 | 2 | 1.8 | 0 | 0.0 |
| DRB1*0405 | 19 | 26.8 | 14 | 12.6 | 27 | 50.9 |
| DRB1*0408 | 0 | 0.0 | 2 | 1.8 | 0 | 0.0 |
| DRB1*0410 | 2 | 2.8 | 24 | 21.6 | 13 | 24.5 |
| DR4.2 group | 16.9 | 11.7 | 18.9 | |||
| DRB1*0403 | 2 | 2.8 | 3 | 2.7 | 3 | 5.7 |
| DRB1*0406 | 8 | 11.3 | 8 | 7.2 | 6 | 11.3 |
| DRB1*0407 | 2 | 2.8 | 2 | 1.8 | 1 | 1.9 |
DR4.1 and DR4.2 epitopes were confirmed to be 13H,33H, 11V, and 74A to74E.