Table 1 Maternal and infant characteristics
Characteristics | Group 1 (n = 92) | Group 2 (n = 102) | C.I. 95 % of differences |
|---|---|---|---|
Maternal | |||
Age, years (mean) | 34.2 | 34.4 | −1.22–1.65 |
University degree, % | 23.9 | 33.3 | −4.2–23.1 |
Non-Italian nationality % | 19.6 | 19.6 | −12.2–12.2 |
Infant | |||
Birth weight, g, (mean) | 796.0 | 813.3 | −18.2–49.4 |
GA, weeks, (mean) | 27.7 | 27.2 | −0.1–1.1 |
Males, % | 43.5 | 44.1 | −14.4–15.6 |
SGA, % | 50.0 | 38.2 | −3.1–2.74 |
Multiple birth, % | 18.5 | 38.2 | 6.3–33.16 |
Cesarean delivery, % | 92.4 | 92.2 | −8.3–8.7 |
Sepsis, % | 37.0 | 27.5 | −4.7–23.7 |
NEC stage 2–3, % | 2.2 | 4.9 | −3.5–8.9 |
IVH grade 3–4, % | 2.2 | 5.9 | −2.8–10.2 |
PVL, % | 1.1 | 2.0 | −3.6–5.4 |
BPD, % | 43.4 | 35.3 | −6.6–22.9 |
ROP grade 3–4, % | 16.3 | 14.7 | −9.6–12.8 |
Days in hospital, (mean) | 95.2 | 104.2 | −3.7–21.6 |
Days on ventilation, (mean) | 14.3 | 12.4 | −2.8–6.5 |