TABLE 2

OR for Mortality of Predictors in Derivation Model (Backward Elimination P = .01 for Inclusion)

 Baseline CharacteristicAdjusted OR (95% CI)P Value
Male
 Prematurity (<37 wk)
 Low birth weight (<1500 g)2.634 (1.722–4.029)<.0001
Outborn
 Non–left-sided defecta
 5-min Apgar score
 Low Apgar score (<7)2.718 (1.873–3.945)<.0001
 Unable to obtain Apgar score4.678 (2.422–9.036)
First echocardiogram
 Severe pulmonary hypertensionb4.073 (2.837–5.846)<.0001
 Major cardiac anomaly5.220 (2.791–9.761)<.0001
 Chromosomal abnormality3.928 (1.610–9.584)<.0001
  • CI, confidence interval; OR, odds ratio.

  • a Right-sided or bilateral.

  • b Severe pulmonary hypertension (right to left shunt or suprasystemic pulmonary pressures estimated).