The participants with non-MD-NAFLD had the lowest mean BMI z-scores (both p < 0.001), highest level of HDL-C (both p < 0.001), lowest levels of ALT, GGT, HOMA-IR and TG (all p < 0.05) and highest FIB-4 score (both p < 0.05) compared to the other two groups. The gene discussed is GPT; the disease is metabolic dysfunction-associated steatotic liver disease.