Early Blood Gas Predictors of Bronchopulmonary Dysplasia in Extremely Low Gestational Age Newborns
Table 3
The distribution of infants who had the form of bronchopulmonary dysplasia listed at the top of each column within strata of potential confounders, listed on the left. These are column percents.
Potential confounder
Bronchopulmonary dysplasia
None
Mild/moderate
Severe
Very severe
Row
O2
O2 − no vent
O2 + vent
at 28 weeks
at 36 weeks
at 36 weeks
Gestational age (weeks)
23-24
0
17
33
34
223
25-26
30
50
45
52
418
27
70
33
22
14
265
Maternal fever†
Yes
10
11
25
41
59
Birth weight -score <
Yes
6
6
6
7
209
Placenta Mycoplasma
Yes
10
12
10
5
109
SNAPPE-II ≥45
Yes
6
20
36
49
263
Days ventilated
<7
66
32
8
0
186
7–13
20
16
6
2
92
14
14
52
86
98
628
PaO2 quartile on ≥2 days
Lowest
23
18
22
29
195
Highest
19
20
22
21
189
PCO2 quartile on ≥2 days
Lowest
23
27
19
19
201
Highest
18
16
24
35
197
Maximum column
80
314
414
98
906
Birth weight -scores based on Yudkin et al. [14] standard. Maternal temperature >100.4°F during pregnancy.
