Table 1 General characteristic of the study population
All patients | Piacenza City Hospital Neonatology Unit | Milan San Paolo Hospital Neonatology Unit | p value between two groups | |
|---|---|---|---|---|
Number | 244 | 310 | ||
Male (n,%) | 130 (53.2%) | 160 (51.6%) | ||
Weight (mean ± sd, g) | Boys 3600 ± 29 g | Boys 3550 ± 35 g | 0.45 | |
Girls 3450 ± 32 g | Girls 3420 ± 37 g | 0.47 | ||
Gestational age (mean ± sd, weeks) | Boys 39 ± 0.5 | Boys 39 ± 0.4 | 0.53 | |
Girls 38 ± 0.3 | Girls 38 ± 0.3 | 0.52 | ||
Boys |