AIP and metabolic dysfunction-associated steatotic liver disease: For instance, a 67-year-old participant with a BMI = 21.3 kg/m2, WC = 86 cm, ALT = 12 IU/L, AST = 20 IU/L, and AIP = -0.07 had a significant probability of NAFLD of approximately 19.0% (95% CI = 12.8%-27.4%).