CAT and coronary artery disorder: It was observed that a significant reduction in GSH-Px and CAT enzyme activities, GSH, TAS (P<0.01, P<0.01, P<0.001, P<0.01), and MDA, TSA and OSI concentrations (P<0.05, P<0.05, P<0.01) were significantly higher in the CAD (BS) group than in the healthy control group.