Table 2a.
Clinical and laboratory characteristics of the study patients
| Maternal and neonatal characteristics | Total | Fetal acidosis | No acidosis |
|---|---|---|---|
| Maternal | N = 80 | 9 | 71 |
| Multiple gestation | 21 | 0 | 21 |
| Maternal agea | 29 ± 7 | 33 ± 8 | 29 ± 7 |
| Race/ethnicity | |||
| White non-Hispanic | 5 (6) | 1 (11) | 4 (6) |
| Black non-Hispanic | 16 (20) | 0 | 16 (23) |
| Hispanic | 58 (73) | 8 (89) | 50 (70) |
| Asian | 1 (1) | 0 | 1 (1) |
| C-section | 58 (73) | 7 (78) | 51 (72) |
| Pre-eclampsia | 30 (38) | 1 (11) | 29 (41) |
| Diabetes | 13 (16) | 3 (33) | 10 (14) |
| Perinatal event | 6 (8) | 2 (22) | 4 (6) |
| Neonatal | N = 102 | 9 | 93 |
| GA (weeks)a | 34 ± 1 | 34 ± 1 | 34 ± 1 |
| Gestational age (weeks) | |||
| 32–34 | 72 (70) | 7 (78) | 65 (70) |
| 35 | 20 (20) | 2 (22) | 18 (19) |
| 36 | 10 (10) | 0 | 10 (11) |
| Female | 47 (46) | 5 (55) | 42 (45) |
| Birth weight (g)* | 2246 ± 514 | 2482 ± 884 | 2224 ± 465 |
| APGAR (1 min)** | 8 (6, 8) | 2 (2, 4) | 8 (6, 8) |
| APGAR (5 min)** | 9 (7, 9) | 6 (6, 7) | 9 (7, 9) |
| Umbilical cord arterial blood gasa | |||
| pH | 7.24 ± 0.1 | 6.97 ± 0.1 | 7.26 ± 0.1 |
| pCO2 | 58 ± 14 | 92 ± 22 | 55 ± 9 |
| pO2 | 30 ± 3 | 32 ± 7 | 30 ± 2 |
| Base deficit | −7 ± 5 | −18 ± 7 | −5 ± 3 |
Values in parenthesis are percentages. Data were analyzed by t test or χ2
pCO2 partial pressure of carbon dioxide, pO2 oxygen partial pressure
aMean ± SD
bMedian (25th, 75th interquartile range) with Mann–Whitney test