Table 5.
Cohort baseline characteristics between infant sexes
| Male (n = 8) | Female (n = 13) | p-Value | |
|---|---|---|---|
| Maternal age (years) | 33.0 (6.0) | 31.0 (10.0) | 0.840 |
| Gestational age (weeks) | 27.0 (4.0) | 28.0 (2.0) | 0.916 |
| Apgar at 1 min | 7.0 (2.5) | 7.0 (2.0) | 0.972 |
| Apgar at 5 min | 8.5 (2.0) | 8.0 (2.0) | 0.778 |
| Score of Neonatal Acute Physiology-II | 23.5 (10.5) | 23.0 (6.0) | 0.743 |
| Weight (g) | 1192.5 (472.5) | 856 (200) | 0.030 |
| Weight z-score | 0.44 (0.5) | −0,17 (0.6) | 0.161 |
| Intrauterine growth restriction | 12.5% (1) | 7.7% (1) | 0.716 |
| Length (cm) | 38 (4.0) | 34 (1.5) | 0.030 |
| Length z-score | 0.40 (0.5) | −0.50 (1.3) | 0.196 |
| Head circumference (cm) | 26.9 (3.5) | 24.4 (3.5) | 0.053 |
| Head circumference z-score | 1.16 (1.4) | −0.58 (0.5) | 0.020 |
Data show medians (IQR) in quantitative variables or relative frequency (n) in qualitative variables. Mann–Whitney U test.