Table 4.
Perinatal characteristics of the study population subdivided according to the two clusters identified using MKL applied on feto-placental Doppler at baseline and after maternal hyperoxigenation.
| Cluster A (n = 150) | Cluster B (n = 36) | p-value | |
|---|---|---|---|
| Gestational age at delivery (weeks) | 39.1 ± 2.2 | 37.3 ± 3.6 | 0.006 |
| Prematurity (%) | 10 (6.67) | 11 (30.6) | <0.001 |
| Birthweight (g) | 2968 ± 650 | 2270 ± 886 | <0.001 |
| Birthweight percentile | 33 ± 31 | 13 ± 24 | <0.001 |
| Female sex (%) | 72 (48.0) | 15 (41.7) | 0.494 |
| Preeclampsia (%) | 6 (4.0) | 10 (27.8) | <0.001 |
| Need for neonatal reanimation (%) | 12 (8.0) | 8 (22.2) | 0.029 |
| Admission to Neonatal Intensive Care Unit (%) | 6 (4.0) | 3 (8.33) | 0.183 |
| Neonatal respiratory morbidity (%) | 10 (6.7) | 3 (8.3) | 0.722 |
| Neonatal morbidity (%) | 25 (16.7) | 15 (41.7) | 0.001 |
Data shown as mean ± SD or n (percentage).
Statistically significant different variables (<0.05) variables are highlighted using bold text.