Table 4.

Cox Proportional Hazards Modeling for Predictors of Mortality Post-Transplant in the New Allocation System

Variable	Unadjusted HR (95% CI)	Adjusted HR* (95% CI)	P Value
Male sex	0.93 (0.74–1.16)	0.80 (0.64–1.02)	.073
Recipient age (y)	1.02 (1.01–1.03)	1.03 (1.02–1.04)	<.001
Recipient race
Black	(Reference)	(Reference)	.129
White	1.16 (0.89–1.5)	1.06 (0.81–1.39)
Other	1.32 (0.94–1.85)	1.4 (0.99–1.98)
Heart failure etiology			<.001
Congenital	(Reference)	(Reference)
HCM/RCM	0.80 (0.47–1.35)	0.57 (0.33–0.99)
Ischemic	0.75 (0.47–1.18)	0.41 (0.25–0.68)
Nonischemic	0.50 (0.32–0.78)	0.33 (0.20–0.54)
Other	0.58 (0.31–1.08)	0.42 (0.22–0.80)
Retransplant	0.71 (0.36–1.41)	0.51 (0.25–1.02)
Durable LVAD at transplant	1.51 (1.21–1.87)	1.71 (1.32–2.22)	<.001
ECMO at transplant	1.63 (1.16–2.30)	2.04 (1.43–2.90)	<.001
IABP at transplant	0.69 (0.55–0.88)	0.91 (0.69–1.19)	.485
Ischemic time (h)	1.12 (1.02–1.23)	1.12 (1.02–1.23)	.016
Donor age (y)	1.01 (1.00–1.02)	1.01 (1.00–1.02)	.272
Dual organ transplant	1.81 (1.36–2.41)	1.79 (1.33–2.41)	<.001

CI, confidence interval. Other abbreviations as in Table 1.

^*Adjusted for recipient and donor age, LVAD at transplant, ECMO at transplant, heart failure etiology, ischemic time, recipient ethnicity, and dual organ status.