1. Obtained by using HLA-DRB1 allele frequencies. 2. Refer to Table 1 for profile of populations studied. Standard genetic distances (SGD1) between Tunisians and other populations.
*included patients with other autoimmune syndromes. Approximately fifty (50) HLA-A, 85 HLA-B, 45 HLA-C, 44 HLA-DR, and 16 HLA-DQ distinct polymorphisms (alleles and suballeles) are currently known to