GPT and chronic liver failure: Total cholesterol, serum creatinine, and hemoglobin levels were lower in ESLD patients, whereas fasting glucose, total bilirubin, alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT), and alkaline phosphatase (ALP) levels were higher in ESLD patients (p < 0.001).