Model 3 results demonstrated better classification performances than those of APRI (AUROC = 0.647, p < 0.001), AST/ALT (AUROC = 0.714, p < 0.001), and FIB-4 (AUROC = 0.802, p < 0.001) in predicting liver fibrosis stages (Table 2). The gene discussed is GPT; the disease is Hepatic fibrosis.