SOD1 and diabetes mellitus: Diabetic patients had significantly lower values of TAS, GPX, SOD and and hs-CRP in relations with coronary subjects without diabetics complications (TAS: 1.15 ± 0.25 mmol/l vs 1.14 ± 0.29 mmol/l, GPX: 58.37 ± 10.63 U/gHb vs 60.28 ± 10.70 U/gHb, SOD: 615.42 ± 396.97 U/gHb vs 651.23 ± 389.76 U/gHb, hs-CRP: 7.94 ± 10.82 mg/l vs 7.5 ± 6.6 mg/l).