TABLE 1

Neonatal Demographic Data (n = 10 903): Entire Population

Neonatal Variable% of Patients With Variable and NECOR95% CIP
Race
    Black8.81.581.34–1.86<.0001
    Non-blacka6.1
Gender
    Male7.61.150.99–1.33.0684
    Femalea6.8
Birth weight, g
    401–75011.53.302.62–4.16<.0001
    751–10009.12.431.94–3.05<.0001
    1001–12506.01.581.24–2.00.0090
    1251–1500a3.9
Site of birth
    Outborn10.21.541.25–1.90<.0001
    Inborna6.9
Apgar score < 7 at 5 min
    Yes8.80.960.81–1.14.6401
    Noa6.6
Network center<.0001
  • a Reference groups.