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Umbilical cord blood gas analysis divided into Group A and Group B
| Overall (n = 6884) | Group A (n = 3526) | Group B (n = 3358) | p value | ||||
|---|---|---|---|---|---|---|---|
| Mean (n) | SD (%) | Mean (n) | SD (%) | Mean (n) | SD (%) | ||
| pH | 7.26 | 0.08 | 7.26 | 0.07 | 7.25 | 0.08 | 0.0001 |
| BE | − 4.74 | 2.86 | − 4.53 | 2.62 | − 4.97 | 3.08 | < 0.001 |
| Pathological pH | 34 | 0.49 | 11 | 0.31 | 23 | 0.68 | 0.027 |
| Pathological BE | 122 | 1.77 | 40 | 1.13 | 82 | 2.44 | 0.000 |
| Pathological BGA* | 125 | 1.82 | 42 | 1.19 | 83 | 2.47 | 0.000 |
BE base excess, BGA blood gas analysis
*pH < 7 or BE ≥ − 12 mmol/L
