Table 1 Baseline characteristics of the study participants.
From: Optimal duration of cardiotocography assessment using the iPREFACE score to predict fetal acidemia
Characteristics (n = 145) | Values |
|---|---|
Maternal age, years | 33.2 ± 5.44 |
Parity, % (n) | |
0 | 62.1 (90) |
1 | 26.9 (39) |
2 | 6.9 (10) |
≥ 3 | 4.1 (6) |
Gestational week, weeks | 39.5 ± 1.08 |
Vacuum delivery, % (n) | 23.4 (34) |
Male sex, % (n) | 59.3 (86) |
Birthweight (g) | 3056 ± 367 |
Apgar score | |
1 min | 8 (8–8) |
5 min | 9 (9–9) |
Umbilical artery blood acid–base analysis | |
pH | 7.29 ± 0.09 |
PCO2 (mmHg) | 47.2 ± 10.7 |
PO2 (mmHg) | 21.9 ± 16.1 |
HCO3- (mmol/L) | 22.3 ± 8.51 |
BE (mEq/L) | − 2.50 ± 3.09 |
Lactate (mmol/L) | 4.82 ± 1.82 |