Table 4. Impact of baseline characteristics on cardiovascular mortality.

	Crude HR	95%CI	Adjusted HR£	95%CI
Sociodemographics
Female	1.70*	[1.09–2.64]
Age(year)	1.07*	[1.05–1.09]	1.07	[1.04–1.09]
Body mass index (kg/m2)	0.94*	[0.89–0.99]
Medical history
Diabetes mellitus	1.14	[0.76–1.72]
COPD †	1.03	[0.56–1.89]
Hypertension	1.29	[0.83–2.00]
Chronic renal disease	3.29*	[2.07–5.24]	1.91	[1.10–3.32]
Dyslipidaemia	0.74*	[0.49–1.11]
Smoker	0.74*	[0.49–1.10]
Ischemic cardiomyopathy	1.34*	[0.92–1.96]
Past PCI ‡	1.00	[0.65–1.54]
Polyvascular disease	1.85*	[1.26–2.71]	1.63	[1.01–2.64]
Clinical characteristics
Three-vessel disease disease	1.72*	[1.14–2.59]
Supraventricular arrhythmia	1.62*	[1.09–2.41]
Low LVEF §
< 12 months	2.07	[1.27–3.38]	1.87	[1.03–3.38]
≥ 12 months	0.99	[0.45–2.15]	1.24	[0.49–3.17]

Note:

* p<0.20 in bivariate analyses,

^£ Cox semi proportional model for all-cause mortality including low LVEF as a time-dependent variable and using a stepwise selection process sle = 0.2 sls = 0.05 to adjust for confounders

^† COPD: chronic obstructive pulmonary disease,

^‡ PCI: percutaneous coronary intervention,

^§ LVEF: left ventricular ejection fraction