Table 2 25(OH)D levels at birth and at 36 weeks’ post-menstrual age among preterm infants <29 weeks of gestation and bronchopulmonary dysplasia or death status

From: Vitamin D and bronchopulmonary dysplasia in preterm infants

Outcome

Cord cohort (n=44)

36-week cohort (n=20)

 

n (%)

Median 25(OH)D, ng ml−1 (IQR)

Pa

n (%)

Median 25(OH)D, ng ml−1 (IQR)

Pa

Survival without BPD

23 (52)

33.8 (21.1–39.4)

0.6

7 (35)

59.0 (52.5–80.3)

0.9

BPD (36 weeks’ O2) or death

21 (48)

30.4 (23.5–33.2)

 

13 (65)

64.2 (54.5–77.2)

 

 BPD (36 weeks’ O2)

18 (41)

31.7 (23.9–37.2)

 

13 (65)

64.2 (54.5–77.2)

 

 Death

3 (7)

20.9 (18.5–30.4)

 

0 (0)

NA

 
  1. Abbreviations: BPD, bronchopulmonary dysplasia; IQR, interquartile range; NA, not applicable; 25(OH)D, 25-hydroxyvitamin D.
  2. aWilcoxon rank sum test comparing composite BPD or death to survival without BPD.
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