The univariate analysis of HLA Class II alleles such as HLA-DRB1*14:54:01 (OR 1.924, 95% CI = 1.051–3.522, P-value = 0.034) and HLA DQB1*05:03:01 (OR = 3.00, 95% CI = 1.323–6.798, P-value = 0.008) were found to be associated with BD as well (Table 3). Here, HLA-DRB1 is linked to Behcet disease.