Table 2. Basic characteristic of the infants studied.
| Intervention Group | Historical group | p value | |
| Infants n | 102 | 69 | |
| Males n | 53 (52) | 32 (46.4) | 0.5 |
| GA weeks | 30.05 (2.1) | 30.08 (2.3) | 0.9 |
| Birth Weight z score | −0.8 (0.8) | −1.07 (0.9) | 0.07 |
| Birth Length z score | −0.7 (1.1) | −1.0 (1.3) | 0.7 |
| Birth Head Circumference z score | −0.68 (1) | −0.78 (1) | 0.6 |
| SGA n | 34 (33.3) | 25 (36) | 0.6 |
| ELBW n | 24 (23.5) | 22 (31.9) | 0.6 |
| CLD n | 6 (5.9) | 7 (10.1) | 0.2 |
| IVH>2°n | 3 (2.9) | 4 (5.7) | 0.4 |
| Sepsis n | 18 (17.6) | 14 (20.3) | 0.7 |
| ROP>2°n | 1 (0.9) | 1 (1.4) | 0.9 |
Data are expressed as mean (SD) or number of observations (percentage).
GA: gestational age; ELBW: extremely low birth weight infants.