Table 1.

Infant Characteristics in Cases With CCVMs by Survival Status and Time of Diagnosis

VariableSurvivorsDeaths After DiagnosisCommunity Search Deaths
Number of cases359072476
Age at death-median4.4 weeks2 days
Birth weight (mean ± SEM)3126  ± 14 g2879  ± 30* 2309  ± 138 g
Gestational age (mean ± SEM)39.0  ± 0.05 wks38.6  ± 0.1* 36.5  ± 0.6 wks
IUGR (%)34.7%39.5%* 57.9%
Male47%  55%*51%  
White64%  63%  62%  
Chromosomal anomaly10%  18%*22%  
Multiple congenital anomalies21%  44%*57%
  • Infant characteristics are shown for each of three groups in cases of infants with congenital cardiovascular malformations identified in the BWIS: infants who survived the first year of life; infants dying within the first year of life and diagnosed before death; and infants identified with cardiac malformations only after death (community search deaths).

  • * Value is different for deaths compared to survivors withP = <.001.

  • Value for community search deaths is different from that for all deaths with P = <.05.