Table 2 Characteristic of the newborn’s parents
All patients | Piacenza City Hospital Neonatolgy Unit | Milan San Paolo Hospital Neonatology Unit | p value between two groups | |
|---|---|---|---|---|
number | 244 | 310 | ||
Gender | Female 244 | Female 310 | ||
Male 244 | Male 310 | |||
Age (mean ± sd, years) | Female 34 ± 0.5 | Female 35 ± 1 | 0.27 | |
Male 38 ± 1 | Male 37 ± 0.6 | 0.32 |