TABLE 2.

Maternal Age–Adjusted Trends in Prenatal Diagnosis, Pregnancy Termination, and Perinatal and Early Neonatal Mortality for CHD*

1983–19881989–19941995–2000
Adjusted RR95% CIAdjusted RR95% CIAdjusted RR95% CI
Prenatal diagnosis
    All1.0Reference1.341.09–1.651.991.64–2.41
    All except VSD**1.0Reference1.491.23–1.811.931.61–2.31
Pregnancy termination
    All1.0Reference1.471.05–2.061.561.12–2.18
    All except VSD**1.0Reference1.701.22–2.361.631.17–2.25
Stillbirth
    All1.0Reference0.570.34–0.970.460.26–0.80
    All except VSD**1.0Reference0.730.43–1.260.490.27–0.87
First-day mortality
    All1.0Reference0.370.14–0.950.280.10–0.77
    All except VSD**1.0Reference0.440.17–1.140.300.11–0.82
First-week mortality
    All1.0Reference0.470.29–0.760.310.18–0.53
    All except VSD**1.0Reference0.580.37–0.930.310.18–0.53
Perinatal mortality
    All1.0Reference0.530.37–0.740.380.26–0.55
    All except VSD**1.0Reference0.660.47–0.920.390.27–0.57
  • * Cases with chromosomal anomalies were excluded.