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DPB1*0201 mediates predisposition independent from the strong protective effect of DRB1*1501
| DRB1-DPA1-DPB1 haplotype | Combined JIA frequency | Control frequency |
|---|---|---|
| 1501-0103-0201 | 0.232 | 0.075 |
| 1501-0201-1001 | 0.036 | 0.013 |
| 1501-0103-0301 | 0.063 | 0.125 |
| 1501 0103 0401 | 0.554 | 0.650 |
| 1501 0103 0402 | 0.036 | 0.038 |
