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Table 1 Participant characteristics

From: Histologic chorioamnionitis in preterm infants: correlation with brain magnetic resonance imaging at term equivalent age

 

Histologic chorioamnionitis

 

Present (n = 47)

Absent (n = 165)

Gestation at birth in weeks, mean (SD)

29.8 (3.6)

32.2 (3.2)

Birthweight in grams, mean (SD)

1505 (728)

1686 (588)

Birthweight z-score, mean (SD)

−0.1 (0.9)

− 0.7 (1.1)

Gestation at MRI in weeks, mean (SD)

42.1 (1.5)

42.0 (1.4)

Antenatal corticosteroids

39 (83.0)

122 (73.9)

Ruptured membranes > 24 h

22 (46.8)

13 (8.2)

Vaginal delivery

29 (61.7)

36(21.8)

Male

24 (51.1)

85 (51.5)

Singleton

37(78.7)

85 (51.5)

Postnatal corticosteroids

2 (4.9)

4 (2.7)

Bronchopulmonary dysplasiaa

9 (19.2)

15 (9.1)

  1. Data are n (%) unless otherwise specified, SD Standard deviation, PVL Periventricular leukomalacia, CI Confidence interval. aoxygen requirement at 36 weeks’ corrected age