The T2DM group had significantly higher BMI, FBG, HbA1c, and HOMA-IR, and lower HDL-C, ApoA-I, and HOMA-β compared with the control group (HDL-C and HOMA-IR: P < 0.05; BMI, FBG, HbA1c, ApoA-I, and HOMA-β: P < 0.01, Table 1). The gene discussed is APOA1; the disease is type 2 diabetes mellitus.