DRB1-DQB1 diplotype analysis revealed that DRB1*04:05-DQB1*04:01/DRB1*08:02-DQB1*03:02 and DRB1*04:05-DQB1*04:01/DRB1*08:03-DQB1*06:01 were significantly associated with AIH (Table 5). Here, HLA-DRB1 is linked to autoimmune hepatitis.