Table 1 Obstetric data of the study group
Procedure - independent characteristics | Median (range 25–75%) | Mean ± SD |
|---|---|---|
Maternal age, y | 29.0 (26.0–30.0) | 29.2 ± 5.9 |
Body mass indexa | 29.6 (26.1–32.2) | 29.8 ± 4.3 |
Duration of the 2nd stage of labor, min | 35.5 (15.3–49.0) | 37.8 ± 27.2 |
Head circumference, cm | 34.5 (33.9–35.1) | 34.5 ± 1.2 |
Perineal trauma, degrees | 1 (0–1) | 0.9 ± 0.8 |
Neonatal weight, g | 3560 (3418–3875) | 3549 ± 378 |
Apgar score at 1 min | 9 (9–10) | 9.1 ± 0.9 |
Apgar score at 5 min | 10 (9–10) | 9.7 ± 0.6 |
Neonatal pH | 7.29 (7.26–7.36) | 7.29 ± 0.09 |