TABLE 1

Demographics of Term and Preterm Infants Discharged Between 2008 and 2015

TermPretermP
N20 0492047
Boys, n (%)10 166 (50.7)1075 (51.3).59
Race, n (%)<.001
 African American7174 (40.0)853 (41.7)
 Multiracial8868 (44.1)827 (40.4)
 White1576 (8.8)154 (7.5)
 Asian American224 (1.1)18 (0.9)
 American Indian or Alaskan native77 (0.4)9 (0.4)
 Native Hawaiian or other Pacific Islander10 (0.1)4 (0.2)
 Declined2109 (10.5)182 (8.9)
Hispanic ethnicity, n (%)4296 (30.2)421 (27.0).01
Age at discharge, d (IQR)2.6 (2.6 to 3.7)11.7 (4.0 to 32.5)<.001
 Late preterm5.8 (3.7 to 12.8)
 Very preterm36.5 (23.7 to 51.5)
 Extremely preterm91.6 (71.2 to 109.9)
SES,a median (IQR)−2.9 (−6.2 to −1.2)−2.9 (−6.3 to −1.2).89
CCC, n (%)3756 (18.7)840 (40.1)<.001
  • —, not applicable.

  • a SES defined by z score of average income in patient census block compared with median state income.