AIH - autoimmune hepatitis; ALT - alanine transaminase; AST - aspartate transaminase; CTP - Child-Turcotte-Pugh; HBV - hepatitis B; HCV - hepatitis C; HDV - hepatitis D; HRV - high-risk esophageal varices; INPR - INR-to-platelet ratio; INR - international normalized ratio; P2MS - ((platelet count (×109/L))2 / (monocyte fraction (%) × segmented neutrophil fraction (%)); PLT - platelet; TLC - total leucocyte count. This evidence concerns the gene GPT and hepatitis D virus infection.