GSTM1 and diabetic kidney disease: We also performed biochemical parameters which are routinely performed in labs to check diabetes and diabetes nephropathy and observed decreased levels of Hb, RBCs, HCT, free serum insulin and eGFR, as well as increased levels of WBCs, platelets, prothrombin time, HbA1c, glucose, urinary albumin-to-creatinine ratio, triglycerides, LDL, HDL, urinary albumin creatinine, and serum creatinine.