Characteristics of the study population
| Patient characteristics | N=325 |
|---|---|
| Gestational age (GA), n (%) | |
| <37 weeks | 151 (46.5%) |
| ≥37 weeks | 174 (53.5%) |
| Birth weight, n (%) | |
| 1.0–1.3 kg | 34 (10.5%) |
| 1.31–2.5 kg | 159 (48.9%) |
| >2.5 kg | 132 (40%) |
| Days of life at assessment, median (IQR) | 0 (0–1) |
| Multiple gestation, n (%) | |
| Twins | 37 (11.4%) |
| Triplets | 3 (0.9%) |
| Admitting diagnosis, n (%) | |
| Transient tachypnoea of newborn | 78 (24%) |
| Meconium aspiration syndrome | 19 (5.9%) |
| Respiratory distress syndrome | 48 (14.8%) |
| Presumed sepsis | 19 (5.8%) |
| Congenital pneumonia | 7 (2.2%) |
| Haemorrhagic shock | 1 (0.3%) |
| Hypoxic ischaemic encephalopathy | 40 (12.3%) |
| Congenital anomaly | 10 (3%) |
| Hyperbilirubinaemia | 4 (1.2%) |
| Term low birth weight stable in room air (GA>37 weeks, birth weight <2.5 kg) | 37 (11.4%) |
| Term macrosomic infants stable in room air (GA>37 weeks, birth weight ≥4 kg) | 6 (1.9%) |
| Preterm infants (GA<37 weeks) stable in room air | 56 (17.2%) |