Ventilated beyond 27 (but not 50) postnatal days |
Ventilated beyond 49 postnatal days | |
Number | 56 | 28 |
Male (%) | 32 (57) | 14 (50) |
Median gestation (range) in weeks | 26 (23–34) | 26 (23–33) |
Median birth weight (range) in g | 852 (520–2710) | 745 (580–1620) |
Median time to first extubation in days (range) | 17 (0–49) | 21 (1–108) |
Median number of total ventilator days (range) | 30 (7–49) | 44 (19–108) |
Cranial ultrasound, normal or grade 1, subependymal haemorrhage only (%) | 34 (61) | 12 (43) |
Grade 2, intraventricular haemorrhage with or without ventricular dilatation (%) | 12 (21) | 12 (39) |
Grade 3, parenchymal haemorrhage (%) | 10 (18) | 4 (14) |
Cystic periventricular leucomalacia (%) | 10 (18) | 5 (18) |
Ventriculo-peritoneal shunt (%) | 5 (9) | 3 (11) |