Table 4 Clinical characteristics of Infants with mild BPD and moderate-severe BPD.

From: Proinflammatory monocyte-derived granulocyte-macrophage colony-stimulating factor fuels airway inflammation in bronchopulmonary dysplasia

(based on 2019 Jensen criteria)

 

Grade 1

Grade 2

Grade 3

P value

(n = 2)

(n = 12)

(n = 7)

Gestational age

26(25.42–26.57)

26.35(25.82–28.36)

27.57(25.57–28.00)

0.663

(weeks, IQR)

<25 wk

0

1

0

 

25 wk 0 days to 27 wk 6 days

2

7

5

 

28 wk 0 days to 29 wk 6 days

0

4

2

 

30 wk 0 days to 31 wk 6 days

0

0

0

 

Birth weight (g, IQR)

785(720–850)

830(757.5–970)

1000(740–1100)

0.428

≥500 to <1000 g

2

10

2

 

≥1000 to <1500 g

0

2

5

 

≥1500 g

0

0

0

 

Cesarean section delivery —n (%)

1(50.0)

7(58.3)

2(28.6)

0.659

Male sex — n (%)

2(100.0)

6(50.0)

6(85.7)

0.235

Membranes ruptured >18 h before delivery —n (%)

0(0)

1(8.3)

0(0)

>0.999

Invasive mechanical ventilation (days, IQR)

19.5(7–32.5)

15.5(7.25–30.50)

14(8.00–55.00)

0.749

Asphyxia, n (%)

2(100.0)

11(91.7)

7(100.0)

>0.999

Mild asphyxia

0

10

4

 

Severe asphyxia

2

1

3

 

Time points of collecting TA (days, IQR)

12(4–20)

3(3–9.75)

4(3–11)

0.526

  1. ANOVA was used for comparison among three groups (data distributed normally) or non-parametric testing when data were not distributed normally. Chi-square test or Fisher’s test was used for categorical data comparison.
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