GPT and fatty liver disease: AUROC: Area Under the Receiver Operator Curve, FLI: fatty liver index, HSI: hepatic steatosis index, NAFLD-LFS: non-alcoholic fatty liver disease liver fat score, AST/ALT: aspartate aminotransferase/alanine aminotransferase ratio, MOFI-FL: model of identification of fatty liver, PPV: positive predictive value, NPV: negative predictive value, LR+: positive likelihood ratio, LR-: negative likelihood ratio, AUC: area under the roc curve.