Patient characteristics of the “InSurE” and control infants
| Clinical data | “InSurE” (n = 16) | Controls (n = 16) | p Value |
| Gestational age, weeks, mean (SD) | 29.2 (1.2) | 29.3 (1.3) | NS |
| Birth weight, g, mean (SD) | 1186 (341) | 1161 (287) | NS |
| Postnatal age, h, mean (SD) | 16 (12) | 17 (11) | NS |
| Gender, male/female | 13/3 | 9/7 | NS |
| Apgar score, median (range) | |||
| 1 Minute | 8 (4–10) | 7 (1–9) | NS |
| 5 Minutes | 9 (7–10) | 9 (4–10) | NS |
| RDS, n (%) | |||
| Mild | 8 (50) | 9 (100) | <0.05 |
| Moderate | 6 (37.5) | 0 | <0.05 |
| Severe | 2 (12.5) | 0 | <0.05 |
| PIVH, n (%) | |||
| Grade I | 0 | 2 (12.5) | NS |
| Grade II | 2 (12.5) | 0 | NS |
| Grade III | 0 | 0 | NS |
| Grade IV | 0 | 0 | NS |
PIVH, periventricular/intraventricular haemorrhage according to the classification of Papile et al);21 NS, not significant; RDS, respiratory distress syndrome.