Table 3. Multivariate Cox regression analysis of total mortality.

Variables	HR	95% CI	P-value
AF: atrial fibrillation; LVEF: left ventricular ejection fraction.
Age, yrs	1.06	1.001-1.13	0.048
LVEF, %	0.99	0.98-0.997	0.008
AF	1.46	1.12-1.90	0.005
Oncological history	1.78	1.08-2.93	0.023
Low volume center	1.35	1.04-1.75	0.023