Partial correlation between activities of antioxidant enzymes (SOD, GR, and GPX), serum levels of TAC and BMI after adjusted for age, gender, and serum concentrations of FBS, HbA1c, cholesterol, TG, LDL, HDL , PTH and 25(OH)D in type 2 diabetic patients and healthy subjects. This evidence concerns the gene SOD1 and type 2 diabetes mellitus.