Table 1 Patient and fetal characteristics of study participants
Characteristic | Patients with EFW (N = 492) | Patients without EFW (N = 515) | p |
|---|---|---|---|
Age, y | 28.7 ± 5.2 | 28.7 ± 5.1 | 0.866a |
Gravidity, n | 2 (1–3) | 2 (1–3) | 0.478b |
Parity, n | 1 (1–2) | 1 (1–2) | 0.049b |
Body mass index (pregravid), kg/m2 | 23.8 ± 4.8 | 23.6 ± 5.2 | 0.623a |
Maternal weight gain in pregnancy, kg | 15.92 ± 5.9 | 15.14 ± 6.1 | 0.049a |
Gestational diabetes, n | 32 (6.5%) | 22 (4.3%) | 0.116c |
Hypertensive diseases, n | 13 (2.6%) | 3 (0.6%) | 0.009c |
Duration of the second stage, min | 46.4 ± 50.0 | 46.0 ± 47.5 | 0.902a |
Gestational age at delivery, d | 280.2 ± 8.7 | 278.8 ± 7.8 | 0.006a |
Birth weight, g | 3528 ± 485 | 3540 ± 496 | 0.718a |
Birth weight ≥ 4500 g, n | 12 (2.4%) | 16 (3.1%) | 0.519c |
Birth length, cm | 50.4 ± 2.2 | 50.4 ± 2.1 | 0.795a |
Head circumference, cm | 35.1 ± 1.4 | 35.0 ± 1.4 | 0.386a |
Head circumference ≥ 38 cm, n | 20 (4.1%) | 13 (2.5%) | 0.160c |
Umbilical arterial blood pH | 7.27 ± 0.07 | 7.28 ± 0.07 | 0.378a |
Base excess, mmol/L | − 4.64 ± 2.89 | − 4.39 ± 2.84 | 0.167a |
5´-APGAR-Score | 10 (9–10) | 10 (9–10) | 0.695b |