HBV, hepatitis B virus; HCV, hepatitis C virus; MELD, model for end-stage liver disease; CTP, Child-Turcotte-Pugh; AST, aspartate aminotransferase; ALT, alanine aminotransferase; INR, international normalized ratio; APTT, activated partial thromboplastin time; de Ritis, AST/ALT ratio; NLR, neutrophil-to-lymphocyte ratio; NLA, neutrophil-lymphocyte-albumin ratio; ALBI, albumin-bilirubin index; BAR, blood urea nitrogen-to-albumin ratio. The gene discussed is GPT; the disease is End Stage Liver Disease.