Table 5.

Adjusted hazard ratio of mortality (based on the univariate model P < .2) in patients with type A aortic dissection and lower-extremity malperfusion

Variables	Hazard ratio (95% CI)	P value
White	0.37 (0.16-0.83)	.02
Hypertension	0.40 (0.82-7.01)	.11
Diabetes mellitus	1.34 (0.49-3.69)	.57
Chronic lung disease	1.63 (0.56-4.75)	.37
Malperfusion syndrome: coronary	2.37 (0.75-7.52)	.14
Aortic insufficiency moderate or greater	0.54 (0.25-1.15)	.11
Atrial fibrillation	4.96 (1.65-14.88)	.004

Harrell C statistic 0.751. CI, Confidence interval.