Table 3 Characteristics of the external validation dataset (n = 676).
From: Developing a resiliency model for survival without major morbidity in preterm infants
Survived (n = 638) | Died (n = 38) | |
|---|---|---|
Maternal covariates | ||
Maternal age, median (IQR) | 28.9 (24.7 to 33.1) | 30.3 (25.8 to 34.3) |
Preeclampsia, n (%) | 183 (28.7) | <5 |
Hypertension, n (%) | 143 (22.4) | 6 (15.8) |
Diabetes, n (%) | 86 (13.5) | 6 (15.8) |
BMI, median (IQR)a | 29.2 (25.2 to 34.8) | 32.0 (25.7 to 37.1) |
Smoking, n (%) | 104 (16.3) | 5 (13.2) |
Drug abuse, n (%) | 45 (7.1) | <5 |
Infection during pregnancy, n (%) | 120 (18.8) | <5 |
Perinatal covariates | ||
Placental abruption, n (%) | 107 (16.8) | 6 (15.8) |
Uterine rupture, n (%) | <5 | <5 |
PPROM, n (%) | 240 (37.6) | 20 (52.6) |
Preterm labor, n (%) | 399 (62.5) | 27 (71.1) |
C-section, n (%) | 401 (62.9) | 16 (42.1) |
Oligohydramnios, n (%) | 52 (8.2) | <5 |
Polyhydramnios, n (%) | 9 (1.4) | <5 |
Neonatal factors | ||
Female sex, n (%) | 295 (46.2) | 17 (44.7) |
GA, median (IQR) | 28 (26 to 30) | 24 (22 to 26) |
Z-score for BW, median (IQR) | 0.13 (−0.49 to 0.64) | 0.14 (−0.49 to 0.59) |
