Interestingly, it is shown that the weight, ALT and AFP levels in AIH group are higher than AIH-PBC group (P = 0.01, P = 0.028 and P = 0.034, respectively), while IgM and ALP levels are significantly lower (P = 0.044 and P = 0.003, respectively). This evidence concerns the gene CD40LG and autoimmune hepatitis.