HLA-DQB1 and myeloid sarcoma: HLA-DQB1*06:02, which was in linkage disequilibrium with HLA-DRB1*15:01 (r2 = 0.94 in the controls), was also significantly associated with MS (P = 3.0 × 10−5, OR = 3.45, 95% CI = 1.93–6.17; Table 2).