BMI exhibited a stepwise increase across groups with the prediabetes1, prediabetes2, prediabetes3 and undiagnosed diabetes groups having 1.47, 2.86, 3.82 and 4.09 kg/m2 higher BMI, respectively, compared to the normal group; WHtR followed a similar trend, rising by 0.024, 0.047, 0.062 and 0.065 across groups, as did ALT levels by 2.45, 4.05, 6.11 and 10.28 U/L and triglycerides by 0.25, 0.42, 0.50 and 0.67 mmol/L, respectively. The gene discussed is GPT; the disease is diabetes mellitus.