Baseline and evolution comparison between groups
| Modified breast feeding (n=43) | Non-modified breast feeding (n=41) | |
| Birth weight (g)* | 3330 (1010; 4160) | 3180 (1050; 4695) |
| Gestational age (GW)* | 38 (26; 39) | 37 (25; 40) |
| Mean growth before hospitalisation (g/d)* | 26 (−10; 112) | 30 (0; 213) |
| Exclusive breast feeding beforehospitalisation** | 35 | 30 |
| Age on admission (d)* | 34 (3; 166) | 50 (16; 159) |
| Length of stay (d)* | 3 (1; 34) | 3 (1; 14) |
| Length of PICU (d)* | 3 (1; 26) | 4 (1; 14) |
| Length of ventilation (d)* | 3 (1; 9) | 3 (1; 6) |
| Length of oxygen requirement (d)* | 3 (1; 7) | 3 (1; 5) |
| Enteral or parenteral nutrition** | 25 | 19 |
| Length of nutritional support (d)* | 2 (1; 6) | 2 (1; 13) |
*Median (minimum, maximum).
**number of patients.
d, day; GW, gestational weeks; PICU, paediatric intensive care unit.