Frequencies of the subtypes of HLA-DR4 antigen in the familial and non-familial RA patients positive for DR4
|
DRB1*alleles (DR4 subtypes) |
Familial RA (n=88) n (%) |
Non-familial RA (n=119) n (%) | p |
| 0401 | 64 (72.7) | 81 (68.1) | NS |
| 0402 | 0 | 0 | |
| 0403 | 1 (1.1) | 5 (4.2) | NS |
| 0404 | 18 (20.5) | 29 (24.4) | NS |
| 0405 | 0 | 0 | |
| 0407 | 0 | 2 (1.7) | NS |
| 0408 | 9 (10.2) | 9 (7.6) | NS |
| 0410 | 0 | 1 (0.8) | NS |
| 0413 | 0 | 1 (0.8) | NS |