Neonatal and Infant Mortality Rates According to Indication for Singleton Late-Preterm Births

VariableTotal NNeonatal Mortality (Neonatal Deaths per 1000 Live Births)Infant Mortality (Infant Deaths per 1000 Live Births)
CountRateRR (95% CI)CountRateRR (95% CI)
No recorded indication67 9092223.3Reference4596.8Reference
Medical42 0361593.81.2 (0.9–1.4)2957.01.0 (0.9–1.2)
Obstetric46 4494078.82.7 (2.3–3.2)a61613.32.0 (1.7–2.2)a
Major anomaly3697399107.933.0 (28.1–38.8)a520140.720.8 (18.4–23.5)a
Isolated spontaneous labor143 0872681.90.6 (0.5–0.7)a6804.80.7 (0.6–0.8)a
  • CI indicates confidence interval; RR, relative risk.

  • a P < 0.001 when compared with the reference group of deliveries with no recorded indication.