Table 1.
Main maternal and perinatal characteristics of the study population, with the subdivisions into normal versus acidemic groups, and normal versus operative vaginal deliveries
| Fetuses born with UAB pH ≥7.15 (n = 45) | Fetuses born with UAB pH <7.15 (n = 6) | p-value | Normal deliveries (n = 28) | Vaginal operative deliveries (n = 19) | p-value | |
|---|---|---|---|---|---|---|
| Maternal data, median (IQR) | ||||||
| Age (years) | 28 (3.5) | 27 (10) | 0.597 | 28 (8.0) | 28 (9.0) | 0.550 |
| Parity | 0 (1) | 0 (1) | 0.853 | 0 (1) | 0 (0) | 0.001 |
| Gestational age (weeks) | 39.9 (1.3) | 39.8 (2.5) | 0.578 | 39.7 (1.1) | 39.9 (1.1) | 0.415 |
| Delivery, n (%) | 0.693 | – | ||||
| Vaginal, normal | 25 (56 %) | 3 (50 %) | – | – | ||
| Vaginal, operative | 17 (37 %) | 2 (33 %) | – | – | ||
| Cesarean section | 3 (7 %) | 1 (17 %) | – | – | ||
| Epidural analgesia, n (%) | 45 (100 %) | 6 (100 %) | – | 28 (100 %) | 19 (100 %) | – |
| Newborn data, median (IQR) | ||||||
| Birthweight (g) | 3190 (393) | 3078 (381) | 0.255 | 3160 (350) | 3200 (405) | 0.871 |
| 1 min Apgar score | 9 (1) | 9 (0) | 0.679 | 9 (1) | 9 (1) | 0.957 |
| 5 min Apgar score | 10 (0) | 10 (0) | 0.679 | 10 (0) | 10 (0) | 0.687 |
| UAB pH | 7.27 (0.09) | 7.10 (0.06) | 0.000 | 7.27 (0.10) | 7.22 (0.09) | 0.109 |
| Gender, n (%) | 0.191 | 0.246 | ||||
| Males | 24 (53 %) | 1 (17 %) | 11 (39 %) | 11 (58 %) | ||
| Females | 21 (47 %) | 5 (83 %) | 17 (61 %) | 8 (42 %) | ||
Values within brackets in the header correspond to the number of cases
p-value <0.05 is in italic