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Table 3 Characteristics of infants in relation to the primary outcome BPD

From: Perturbation of gene expression of the chromatin remodeling pathway in premature newborns at risk for bronchopulmonary dysplasia

Characteristic

No BPD

BPD

P

Birth weight (g; median [range])

975 (532 to 1,360)

695 (460 to 1,080)

< 0.005

Gestational age < 27 weeks (n [%])

13 (38.2)

15 (75)

0.009

Male (n [%])

19 (55.9)

12 (60)

0.497

Sepsis (suspected or confirmed; n [%])

2 (5.9)

3 (15.8)

0.239

PDA (suspected or definite; n [%])

24 (72.7)

14 (73.7)

0.603

ROP (n [%])

13 (38.2)

13 (68.4)

0.03

Supplemental oxygen (days; median [range])

31.5 (2 to 88)

68 (37 to 91)

< 0.005

Mechanical ventilation (days; median [range])

3 (0 to 38)

37 (1 to 77)

< 0.005

  1. BPD, bronchopulmonary dysplasia; ROP(Retinopathy of Prematurity, a disease that affects immature vasculature in the eyes of premature babies leading to significantly decreased vision). PDA (Patent Ductus Arteriosus, a persistent connection between the aorta and the pulmonary artery).