However, there were no statistical difference in age, sex, smoking status, duration of type 2 diabetes, body mass index (BMI), waist circumference (WC), waist–hip ratio (WHR), systolic blood pressure (SBP), diastolic blood pressure (DBP), fasting blood glucose (FBG), postprandial blood glucose (PBG), fasting insulin, HOMA-IR, HbA1c, TC, HDL-C, BUN, serum creatine, eGFR and anti-diabetic drug usages between two groups. The gene discussed is INS; the disease is type 2 diabetes mellitus.