TABLE 4.

Comparison of Mortality Risk Predictors for Heart Transplantation

	RSS	IMPACT	Trivedi et al. (21)	IHTSA
Mortality prediction	Early	Early	Late	Late
Recipient risk factors
Age	+	+	+	+
Sex		+		+
Race		+
Height				+
Weight				+
Body mass index			+
Prior cardiac surgery	+			+
Type of heart disease	+	+	+	+
Diabetes mellitus				+
Diabetes mellitus with stroke	+
Hypertension				+
Prior cancer			+
Anti-arrhythmic drugs				+
Intravenous antibiotics		+		+
Prior PRBC transfusion				+
PRA >10%				+
ABO blood type				+
Bilirubin	+	+	+	+
Renal function	+	+	+
Dialysis		+
Mean PAP			+
Systolic PAP				+
PVR
ECMO	+	+		+
VAD	+	+	+	+
TAH	+
IABP		+
Mechanical ventilation	+	+	+	+
Hospitalized at time of transplant	+			+
Donor risk factors
Age	+	+	+	+
Sex				+
Weight				+
ABO blood type				+
Diabetes mellitus	+		+
Hepatitis C	+
Head trauma death				+
CVA death				+
Other
Sex mismatch donor/recipient	+		+
Weight mismatch donor/recipient				+
Height mismatch donor/recipient				+
HLADR, 2 mismatch				+
Ischemic time	+	+	+	+
Transplant era				+

IHTSA = International Heart Transplant Survival Algorithm; IMPACT = Index for Mortality Prediction After Cardiac Transplantation; PRA = panel reactive antibody, PRBC = packed red blood cell, PVR = pulmonary vascular resistance, RSS = risk stratification score; other abbreviations as in table 1