Residual Right Coronary Artery Stenosis after Left Main Coronary Artery Intervention Increased the 30-Day Cardiovascular Death and 3-Year Right Coronary Artery Revascularization Rate

Table 4

Cox regression for the 3-year RCA revascularization.

3-year RCA revascularization	Univariate analysis			Multivariate analysis
	HR	95% CI		HR	95% CI
Without RCA intervention	5.756	1.439–23.014	0.013	3.629	1.816–7.216	<0.001
Body weight	0.964	0.935–0.993	0.017
Diabetes mellitus	2.026	0.973–4.222	0.059
Chronic kidney disease	3.555	1.552–8.143	0.003
Hemodialysis	4.706	2.037–10.872	<0.001	3.421	1.379–8.488	0.008
Previous MI	2.251	1.080–4.693	0.030
PAOD	4.367	1.803–10.576	0.001
LVEF <40%	3.182	1.387–7.299	0.006

CI = confidence interval; HR = hazard ratio; IABP = intra-aortic balloon pump; LM = left main; LVEF = left ventricular ejection fraction; MI = myocardial infarction; PAOD = peripheral arterial occlusive disease; and RCA = right coronary artery.