GPT and diabetes mellitus: In regard to serum SAH levels (Table 1 and Supplementary Table S2), the mean values of age, systolic blood pressure, diastolic blood pressure and BMI, the frequencies of men, low education, use of anti-hypertensive agents, hypertension, obesity, diabetes mellitus, use of antidiabetic medication, electrocardiogram abnormalities, and history of stroke, and the geometric means of serum ALT and serum hs-CRP increased significantly with higher levels of serum SAH, while the mean value of serum total cholesterol decreased significantly with higher levels of serum SAH.