Table 3.
ROP severity | Blood gas extreme |
|||||
---|---|---|---|---|---|---|
lowest quartile PaO2 | highest quartile PaO2 | lowest quartile PCO2 | highest quartile PCO2 | lowest quartile pH | row n | |
Stage 3, 4, or 5 | ||||||
Yes | 20 | 27 | 24 | 26 | 25 | 331 |
No | 23 | 19 | 21 | 20 | 20 | 711 |
Zone 1 | ||||||
Yes | 20 | 37 | 19 | 30 | 35 | 89 |
No | 22 | 20 | 22 | 21 | 20 | 953 |
Prethreshold or thre | :shold | |||||
Yes | 25 | 31 | 21 | 33 | 32 | 174 |
No | 21 | 19 | 22 | 20 | 20 | 868 |
Plus disease | ||||||
Yes | 28 | 28 | 22 | 36 | 31 | 134 |
No | 21 | 20 | 22 | 20 | 20 | 908 |
Overall | 22 | 21 | 22 | 22 | 22 | |
Column number | 227 | 221 | 230 | 229 | 225 | 1,042 |