Additional file 4: of The impact of age on the implementation of evidence-based medications in patients with coronary artery disease and its prognostic significance: a retrospective cohort study XiaTian-li HuangFang-yang LiYi-ming ChaiHua HuangBao-tao OuYuan-Wei-Xiang LiQiao PuXiao-bo ZuoZhi-liang PengYong ChenMao HuangDe-jia 2018 Multivariate Cox’s proportional hazards regression model on combination therapy of EBMs. Adjusted factor: sex, history of hypertension, history of diabetes mellitus, and history of heart failure, history of dyslipidemia, smoking status, eGFR and hepatic enzymes. Model 0: no medication; model 1: prescribed 1 type of EBMs; model 2, prescribed 2 types of EBMs; model 3, prescribed all 3 types of EBMs. Three types of EBMs included: statin, beta-blockers, and RAAS inhibitors (ACEIs or ARBs). Abbreviations: EBMs: evidence-based medications, CAD: coronary artery disease, CI: confidence interval, CV death: cardiovascular death, HR: hazard ratio. (DOCX 13 kb)