Table 3.

Risk factor analysis for long-term mortality

Variable	Univariate			Multivariable
	HR	95% CI	p-value	HR	95% CI	p-value
Age	1.10	1.05–1.15	<0.001	1.10	1.05–1.15	<0.001
Sex	0.75	0.25–2.21	0.60
Diabetes mellitus	1.31	0.31–5.63	0.72
Hypertension	2.33	1.18–6.66	0.24
Aorta pathology	0.89	0.46–1.70	0.72
Rupture	2.15	0.63–7.33	0.22
Hemothorax	1.76	0.41–7.60	0.45
Emergency	2.00	0.67–5.92	0.23
Left ventricular ejection fraction (by 1% increment)	0.87	0.80–0.94	0.001	0.88	0.82–0.96	0.003
Hemoglobin	1.04	0.81–1.35	0.74
Glomerular filtration rate (by 1 mL/min/1.73 m2 increment)	0.98	0.96–0.99	0.002	–	–	–
Distal arch involvement	0.95	0.32–2.80	0.92
Cerebrospinal fluid drain	0.61	0.26–1.45	0.26
Deep hypothermic circulatory arrest	1.35	0.58–3.17	0.49

HR, hazard ratio; CI, confidence interval.