88–98% | 70–90% | |
Number of one year survivors | 65 | 65 |
Gestation (weeks) | 26.4 (25.8–27.3) | 27.1 (26.2–27.3) |
Birth weight (g) | 910 (810–1018) | 940 (855–1074) |
Male sex (%) | 55 | 46 |
Number given 20 μg/kg IM vitamin E at birth | 65 | 0 |
Number given IV amino acids ± lipid | 62 | 16 |
Mean time given (in those so managed) (days) | 19.2 | 12.1 |
Number with an arterial line in place ⩾7 days | 49 | 2 |
Blood transfusions given | 5 (3–8) | 1 (1–2) |
Number given >2 transfusions | 55 | 13 |
First fully enterally fed (days) | 25 (18–34) | 14 (9–20) |
Surgery for necrotising enterocolitis | 0 | 2 |
Cerebral ultrasound findings | ||
Intraparenchymal haemorrhage | 4 | 6 |
Haemorrhagic ventriculomegaly | 5 | 5 |
Periventricular leucomalacia | 5 | 5 |
Where applicable, values are median (interquartile range ).
IM, Intramuscular; IV, intravenous.