GSTM1 and diabetes mellitus: It was adjusted for RBC, Hb, HCT, TP, ALB, urea, Baseline Cr, UA, Baseline eGFR, Glu, TC, TG, HDL-C, LDL-C, sdLDL, hsCRP, statins, ACEI/ARB, β-blockers, calcium channel blockers, diuretics, contrast volume, contrast exposure time, multivessel disease, age, sex, smoking, drinking, hypertension, diabetes and LVEF< 40%.