Research Article
Early Blood Gas Predictors of Bronchopulmonary Dysplasia in Extremely Low Gestational Age Newborns
Table 1
The values that define the lowest and highest quartiles of each blood gas on each day in each gestational age group.
| Blood gas quartile | Lowest PO2 (mm Hg) | Highest PO2 (mm Hg) | Postnatal day | 1 | 2 | 3 | 1 | 2 | 3 |
| Gestational age (wks) | | | | | | | 23-24 | 39 | 43 | 44 | 152 | 98 | 104 | 25-26 | 42 | 45 | 45 | 145 | 100 | 95 | 27 | 40 | 44 | 46 | 142 | 92 | 96 |
| Blood gas quartile | Lowest PCO2 (mm Hg) | Highest PCO2 (mm Hg) | Postnatal day | 1 | 2 | 3 | 1 | 2 | 3 |
| Gestational age (wks) | | | | | | | 23-24 | 27 | 33 | 34 | 65 | 68 | 63 | 25-26 | 29 | 35.5 | 35 | 60 | 64 | 60 | 27 | 29 | 35 | 36 | 58 | 57 | 56 |
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