| HLADR B1 | Group | P-value | OR | 95% CI | |
| Case (all JIA) N = 50 | Control N = 25 | ||||
| 01 | 7 (14) | 2 (8) | 0.540 | 1.87 | 0.35 - 9.76 |
| 03 | 1 (2) | 4(16) | 0.021* | 0.11 | 0.01 - 1.01 |
| 04 | 10 (20) | 7 (28) | 0.435 | 0.642 | 0.21 - 1.96 |
| 07 | 10 (20) | 4 (16) | 0.675 | 1.31 | 0.367 - 4.69 |
| 08 | 5 (10) | 3 (12) | 0.791 | 0.814 | 1.17 - 3.72 |
| 09 | 2 (4) | 1 (4) | 1 | 1 | 0.08 - 11.5 |
| 10 | 14 (28) | 2 (8) | 0.046* | 4.47 | 0.93 - 21.52 |
| 11 | 4 (8) | 1 (4) | 0.512 | 2.08 | 0.22 - 19.7 |
| 12 | 18 (36) | 4 (16) | 0.072 | 2.95 | 0.87 - 9.9 |
| 14 | 4 (8) | 0 (0.0) | 0.146 | - | - |
| 15 | 13 (26) | 6 (24) | 0.851 | 1.11 | 0.365 - 3.39 |
| 16 | 0 (0.0) | 5 (20) | 0.001* | - | - |
| Total HLA DRB1 (1 - 16) | 88 | 39 | 0.109 | 2.06 | 0.84 - 5.09 |