In the subgroup analysis, significant interactions were not observed between CICCD groups and age, BMI, smoking, CRP, albumin, TG, LDL, eGFR, hypertension, medication use aspirin, ADP receptor inhibitors, statins, and CCBs with regard to all-cause mortality (P-interaction > 0.05 for all). The gene discussed is CRP; the disease is hypertensive disorder.