Demographics and prenatal data of the full cohorta
| Full Cohort (n = 252) | |
|---|---|
| Gestational age (wk) | 39 (38–40) |
| Birth weight (g) | 3180 (2830–3544) |
| Sex (% of males) | 145 (57.5%) |
| Inborn | 166 (65.9%) |
| Apgar at 1 min | 2 (1–4) |
| Apgar at 5 min | 6 (5–7) |
| Apgar at 10 min | 7 (6–8) |
| UA pH | 7.04 (6.94–7.12) |
| UA BD (mmol/L) | 11.7 (8.5–14.3) |
| UA lactate (mmol/L) | 8.9 (6.4–10.4) |
| UV pH | 7.13 (7.02–7.23) |
| UV BD (mmol/L) | 10.1 (6.9–12.9) |
| UV lactate (mmol/L) | 7.3 (5.6–9.2) |
| Postnatal pH | 7.24 (7.15–7.30) |
| Postnatal BD (mmol/L) | 9.2 (6.2–12.9) |
| Postnatal lactate (mmol/L) | 7.9 (4.9–11.2) |
| Stage of HIE | |
| Mild HIE | 124/234 (53.0%) |
| Moderate HIE | 105/234 (44.9%) |
| Severe HIE | 5/234 (2.1%) |
Note:—BD indicates base deficit; UA, umbilical artery; UV, umbilical vein.
↵a Nonparametric data are presented as median with interquartile range. The stage of HIE was based on the modified Sarnat stage. The Sarnat stage was available for 234 infants.