Carboxyhemoglobin Formation in Preterm Infants Is Related to the Subsequent Development of Bronchopulmonary Dysplasia
Table 1
Demographic data of the infants in the no-or-mild bronchopulmonary dysplasia (BPD) group and in the moderate-to-severe BPD group.
No-or-mild BPD ()
Moderate-to-severe BPD ()
value
Gestational age (weeks)
30 (27–32)
27 (26–32)
0.02
Birth weight (g)
1,374 (908–1,982)
1,162 (670–1,434)
0.01
Boys/girls,
10/6
3/6
0.23
Antenatal steroids,
15
9
>0.99
Chorioamnionitis,
7
4
>0.99
Apgar score (1 min)
7 (2–9)
3 (1–8)
0.06
Apgar score (5 min)
8 (4–10)
5 (2–9)
0.02
Septic episodes,
2
3
0.31
Surfactant therapy,
11
9
0.12
Mechanical ventilation (days)
7 (0–32)
8 (4–46)
0.12
Total dosage of hydrocortisone (mg/kg)
1.0 (0.0–20.0)
2.0 (2.0–13.8)
0.09
Phototherapy (postnatal days 0–4),
15
9
>0.99
Phototherapy (postnatal days 5–8),
4
1
0.62
Phototherapy (postnatal days 12–15),
1
0
>0.99
Phototherapy (postnatal days 19–22),
0
0
Phototherapy (postnatal days 26–29),
0
0
Data are expressed as numbers, , or the medians (ranges). The Mann-Whitney test and Fisher’s exact probability test were used for the statistical analyses. BPD: bronchopulmonary dysplasia.
