Table 1.
Demographics, clinical characteristics
| Characteristic | Value |
|---|---|
| Demographics on birth | |
| Patients, n | 99 |
| Gestational age (weeks), mean (SD) | 27.9 (2.0) |
| Male, n (%) | 50 (50.5) |
| Birth weight (gram), median (IQR) | 1045 (827.5-1257.5) |
| Birth weight (SDS), mean (SD) | -0.04 (1) |
| Birth length (cm), mean (SD) | 36 (3.6) |
| Birth length (SDS), median (IQR) | 0.04 (-0.85-0.6) |
| Birth head circumference (cm), mean (SD) | 25.7 (2.5) |
| Birth head circumference (SDS), mean (SD) | 0.09879 (1.1) |
| Extremely preterm, n (%) | 46 (46.5) |
| Very preterm, n (%) | 53 (53.5) |
| SGA, n (%) | 22 (22.2) |
| Caucasian, n (%) | 66 (66.8) |
| Non-Caucasian, n (%) | 24 (24.2) |
| Mix (Caucasian/ non-Caucasian), n (%) | 9 (9.1) |
| APGAR score after 5 min, median (IQR) | 8 (7-9) |
| Clinical characteristics during NICU hospitalization | |
| Hospitalization NICU (days), median (IQR) | 36 (22-51) |
| Total parenteral nutrition (days), median (IQR) | 16 (12-22) |
| Endotracheal ventilation (days), median (IQR) | 6 (2-14) |
| Nasal ventilation (days), mean (SD) | 26.1 (13.9) |
| Oxygen (days), median (IQR) | 13 (4-31.5) |
| Diuretics administrated (days), median (IQR) | 1 (0-18.5) |
| Antibiotics administrated (days), median (IQR) | 14 (9-23) |
| Caffeine administrated (days), median (IQR) | 32 (18-48.5) |
| Proven sepsis (blood culture positive), n (%) | 81 (81.8) |
| Treatment with glucocorticosteroids n (%) | 13 (13.1) |
| NEC (>BEL2A,) n (%) | 12 (12.1) |
| BPD (Oxygen at 28 days of life), n (%) | 30 (30.3) |
| IVH (>grade 3, 4), n (%) | 3 (3) |
SGA: small for gestational age; NEC: necrotizing enterocolitis: BPD: bronchopulmonary dysplasia; IVH: intraventricular hemorrhage; SDS: standard deviation score; SD: standard deviation; IQR: interquartile range