GPT and neoplasm: The variables tested by univariate analysis were sex, age, tumor size, α-fetoprotein (AFP), total bilirubin (TB), albumin (A), alanine aminotransferase (ALT), aspertate aminotransferase (AST), γ-glutamyl transferase (GGT), prothrombin time (PT), and HBVDNA status.