GSTM1 and diabetes mellitus: Compared with the uACR <30 group, uACR ≥30 groups had a significantly longer duration of diabetes (p for trend <0.001), higher systolic and diastolic blood pressure (p for trend <0.001 and 0.001), a higher value of fasting plasma glucose, HbA1c, T-cho, LDL-Cho, ESR, hs-CRP, and fibrinogen (p for trend = 0.012, <0.001, 0.001, 0.010, 0.017, 0.027 and 0.001) and a lower value of Hb (p for trend = 0.006).