HLA alleles Chronic HCV (n=40) No.  (%) Autoimmune hepatitis  (n=40) No.  (%) Controls (n=20) No.  (%) P of Fisher exact test HLA A1 40 (100%) 6 (13%) 20 (100%) 0.003* HLA A6 20 (50%) 34 (90%) 15 (75%) 0.002* HLA A8 20 (50%)  40 (100%)    5 (25%) 0.003* HLA DRB1* 01 1 (2.5%) 1 (2.5%) 6 (38.5%) 0.324 HLA DRB1* 02 1 (2.5%) 1 (2.5%) 10 (50%) 0.456 HLA DRB1* 03 1 (2.5%) 28 (70%) 8 (40%) 0.005* HLA DRB1* 04 1 (2.5%) 7 (17.5%) 12 (60%) 0.005* HLA DRB1* 05 1 (2.5%) 26 (65%) 1(5%) 0.003* HLA DRB1* 06 0 (0%) 1 (2.5%) 1(5%) 0.800 HLA DRB1* 07 24 (60%) 0 (0%) 0(0%) 0.004* HLA DRB1* 08 4 (10%) 1(2.5%) 1(5%) 0.732 HLA DRB1* 09 8 (20%) 1(2.5%) 1(5%) 0.160 HLA DRB1* 10   9 (22.5%) 1 (2.5%) 0(0%) 0.345 HLA DRB1* 11 16 (40%) 0(0%) 0(0%) 0.005* HLA DRB1* 12 2 (8%) 1(2.5%) 0(0%) 0.123 HLA DRB1* 13   5 (9.5%) 1(2.5%) 0(0%) 0.234 HLA DRB1* 14 2 (8%) 1(2.5%) 0(0%) 0.546 HLA DRB1* 15   5 (9.5%) 0(0%) 0(0%) 0.675

Table 4: Frequency of HLA-A1, A6, A8 & DRB*1-15 alleles among chronic HCV (groupI), Autoimmune hepatitis (groupII) and controls (groupIII).