Patient category | N= | Gestation (weeks) | Birthweight (kg) | Postnatal age (days) | Unstable | Survival | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | (Range) | Mean | (Range) | Mean | (Range) | ||||||||||||
Never ventilated | 23 | 33.2 | (26–40) | 1.74 | (0.68–3.71) | 3.3 | (1.1–13.5) | 0 | 23 | ||||||||
1-150 | |||||||||||||||||
Currently ventilated | 22 | 29.7 | (26–37) | 1.44 | (0.64–4.65) | 4.2 | (1.0–9.2) | 10 | 13 | ||||||||
1-150 | |||||||||||||||||
Previously ventilated | 12 | 30.1 | (27–37) | 1.40 | (0.90–3.10) | 7.1 | (2.0–13.9) | 4 | 9 | ||||||||
Twin-pair | 2 | 32 | 1.42 & 1.43 | 1.9 to 7.9 | 1 | both |
↵1-150 Means differ significantly, p<0.05.