GPT and metabolic dysfunction-associated steatotic liver disease: One such score is the body mass index, AST/ALT ratio and diabetes score (BARD score), which has an AUROC of 0.808, while an enhanced version, the BARD INR score, has an AUROC of 0.881.13 Another test specific for fibrotic NAFLD is the homeostasis model assessment, AST and cytokeratin-18 (MACK-3) test, with an AUROC of 0.847 ± 0.030 (p≤0.002), a sensitivity of 90.0% and a specificity of 94.2% in a European population.14