GPT and End Stage Liver Disease: Abbreviations: SD: standard deviation, mg: milligrams, d/L: deciliter, INR: International Normalized Ratio, AST: aspartate transaminase, ALT: alanine transaminase, ALP: alkaline phosphatase, MELD: Model for End-stage Liver Disease, TIPS: transjugular intrahepatic portosystemic shunt