GPT and cirrhosis of liver: Age, sex, body mass index (BMI), basic etiology of liver cirrhosis, liver function Child-Pugh grade, total bilirubin (TBIL), serum albumin (ALB), platelet (PLT), international normalized ratio (INR), aspartate aminotransferase (AST), alanine aminotransferase (ALT), hemoglobin (Hb), serum sodium concentration, serum creatinine (Cr), and model end-stage liver disease (MELD) index for the study and control groups are obtained.