Table 3. Multivariable Model of Death After Transplantation.

Variable	Hazard ratio (95% CI)	p-value
Prospective crossmatch required	1.04 (0.87–1.25)	0.670
Agea (years)
1–10	0.92 (0.79–1.07)	0.259
11–17	1.47 (1.26–1.71)	<0.0001
Gender (male)	0.88 (0.78–0.98)	0.019
Raceb
Black	1.84 (1.62–2.10)	<0.0001
Hispanic	1.06 (0.90–1.25)	0.510
Other	1.04 (0.78–1.38)	0.802
Listing diagnosis of CHD	1.49 (1.32–1.68)	<0.0001
History of prior heart transplant	1.76 (1.36–2.28)	<0.0001
Status 1/1A/1Bc	0.91 (0.77–1.07)	0.249
Inotropes	1.08 (0.95–1.23)	0.232
Ventilator	1.34 (1.14–1.56)	0.0003
ECMO	1.89 (1.53–2.34)	<0.0001
Ischemic time (hours)	1.02 (0.98–1.07)	0.307
Donor:recipient gender mismatch	1.04 (0.93–1.16)	0.461
Positive donor-specific crossmatchd	1.24 (1.06–1.46)	0.009
Unknown donor- specific crossmatchd	1.15 (1.01–1.32)	0.042

All variables pertain to time of transplant. Bold indicates statistical significance. CHD, congenital heart disease; ECMO, extracorporeal membrane oxygenation.

^aVersus age < 1 year;

^bversus white;

^cversus Statuses 2 and 7;

^dversus negative donor-specific crossmatch.