GPT and End Stage Liver Disease: OR: odds ratio, CI: confidence interval, INR: international normalized ratio, ALT: alanine transaminase, AST: aspartate transaminase, GGT: γ-glutamyl transferase, HE: hepatic encephalopathy, SBP: spontaneous bacterial peritonitis, MELD: model for end-stage liver disease, MELD-Na: MELD-Sodium.