There were significant differences in sex, age, hypertension, diabetes, previous MI, cerebral infarction, CKD, smoking, Killip class I, Killip class IV, BNP, WBC count, ALT, RBG, eGFR, FBG, TG, TC, HDL-C, LDL-C, LVEF, clopidogrel, ticagrelor, ACEI/ARBs, IABP, single-vessel lesion, double-vessel lesions and left main lesion between elevated RBG group and control group (P < 0.05). The gene discussed is NPPB; the disease is chronic kidney disease.