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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Heart Lung Transplant. 2011 Mar 17;30(7):755–760. doi: 10.1016/j.healun.2011.01.718

Table 1. Clinical Characteristics of 332 Children with Cardiomyopathy Listed for Heart Transplantation, by Heart Failure Severity Scores at Time of Listing.

Heart Failure Severity Score*
Characteristic 2
(n = 109)		 1
(n = 118)		 0
(n = 105)		 P
Boys, % 60 47 44 0.03
White, % 69 62 73 0.19
Age (mean), y 4.2 7.6 7.5 <0.001
Age < 6 months at listing, n (%) 34 (59) 14 (24) 10 (17) <0.001
Body surface area at listing (mean), m2 0.7 1.0 0.9 <0.001
Time from presentation to listing (mean), years 0.2 0.6 1.3 <0.001
Cardiomyopathy phenotype, %
      Dilated 88 88 72 0.003
      Hypertrophic 6 1 5 0.12
      Restrictive 4 7 21 <0.001
LVFS (mean), z-score −9.4 −9.2 −6.5 <0.001
LV mass (mean), z-score 3.2 2.4 2.3 0.09
Creatinine at listing (mean), mg/dL 0.74 0.60 0.54 0.004

LVFS = Left ventricular factional shortening

LV = Left ventricle

*

2 = children on mechanical ventilatory or circulatory support; 1 = children on intravenous inotropic support without mechanical support; 0 = children on neither intravenous inotropic or mechanical support.