Table 1 Demographic characteristics and clinical data for the participants
Character | WMI (n = 23) | nWMI (n = 48) | P |
|---|---|---|---|
Gestational age (\(\overline{x}\) ± s, week) | 30.0 ± 1.8 | 29.9 ± 1.7 | 0.607 |
Birth weight (\(\overline{x}\) ± s, kg) | 1.32 ± 0.21 | 1.30 ± 0.22 | 0.663 |
Male (n, %) | 12(52.2%) | 29(60.4%) | 0.511 |
Caesarean section (n, %) | 14(60.8%) | 21(43.7%) | 0.177 |
IVF-ET (n, %) | 3(13%) | 10(20.8%) | 0.427 |
Asphyxia (n, %) | 9(39.1%) | 19(39.5%) | 0.971 |
Hypothermia at birth (n, %) | 13(56.5%) | 25(52%) | 0.726 |
SGA (n, %) | 1(4.3%) | 3(6.2%) | 0.745 |
Hypoglycemia (n, %) | 5(21.7%) | 13(27%) | 0.628 |
Positive pressure ventilation time (IQR, day) | 10(7, 13) | 6(6.3, 10.5) | 0.281 |
Duration of antibiotic use (IQR, day) | 6(5, 9.1) | 5.5(4.6, 6.9) | 0.188 |
Sepsis (n, %) | 10(43.4%) | 20(41.6%) | 0.885 |
Digestive complications (n, %) | 13(56.5%) | 31(66.6%) | 0.406 |
Total intestinal feeding time (IQR, day) | 18.5(15, 23) | 15.5(15, 19) | 0.317 |
EUGR (n, %) | 15(65.2%) | 27(56.2%) | 0.472 |
BPD (n, %) | 4(17.3%) | 9(18.7%) | 0.89 |
Length of stay (\(\overline{x}\) ± s,day) | 50.13 ± 17.4 | 50.88 ± 13.3 | 0.391 |
Premature rupture of fetal membranes (n, %) | 7(30.4%) | 8(16.6%) | 0.184 |
Prenatal hormones (n, %) | 10(43.4%) | 23(47.9%) | 0.726 |
Prenatal antibiotic use (n, %) | 12(52.1%) | 18(37.5%) | 0.241 |
GDM (n, %) | 2(8.6%) | 12(25%) | 0.106 |
Preeclampsia (n, %) | 2(8.6%) | 10(20.8%) | 0.202 |