HLA-DRB1 and myeloid sarcoma: As shown in Tables 2 and 3, the carrier frequencies of the HLA-DRB1*04:05, DRB1*15:01, and DPB1*03:01 alleles were higher in MS patients than in healthy controls (corrected p [pcorr] < 0.001, pcorr < 0.001 and pcorr = 0.006, respectively).