GPT and portal hypertension: The preoperative information of another patient was input into the model: age 23 years, no portal hypertension, diagnosed with other disease, hemoglobin 160 g/L, direct bilirubin 30.5 μmol/L, APTT 44.2 s, globulin 49.2 g/L, ALT 83.3 U/L, and AST 28.2 U/L.