Table 1 Demographics and neonatal characteristics of cohort.

From: Managing established bronchopulmonary dysplasia without using routine blood gas measurements

Number

485

Maternal age (years)

29 (24–33)

Maternal Ethnicity - Hispanic or Latino

19 (4)

Maternal race

  American Indian or Alaskan native

1 (0.2)

  Asian

14 (3)

  Black

144 (30)

  Native Hawaiian or pacific islander

1 (0.2)

  White

307 (63)

  Other

18 (4)

 Complete antenatal steroids

319/400 (80)

 Maternal chorioamnionitis

87 (18)

 Cesarean delivery

347 (72)

 Male

299 (62)

 Gestational age (weeks)

26 (24–27)

 Birth weight (grams)

770 (615–975)

 Birth Length (cm)

32 (30–35)

 Birth head circumference (cm)

23 (22–25)

 Small for gestational age

88 (19)

 Intubated in delivery room

335 (69)

 Surfactant doses

2 (1-2)

 PMA on admission to NCH (weeks)

29 (27–35)

 Grade 3 BPD

110 (23)

 No blood gases after 36 weeks PMA

303 (62)

  1. Data shown as median [IQR] or n (%).
  2. PMA post-menstrual age, NCH Nationwide Children’s Hospital.