Patient characteristics
| NCPAP (n=47) | Headbox (n=45) | |
|---|---|---|
| Birthweight (g)1-150 | 960 (182) | 927 (157) |
| Gestational age (weeks)1-150 | 27 (2) | 27 (2) |
| Age at extubation (days)† | 3 (1–5) | 4 (1.5–7) |
| Inborn/outborn | 46/1 | 44/1 |
| Male/female | 30/17 | 29/16 |
| Single/multiple | 38/9 | 32/13 |
| Maternal steroids | 37 (79%) | 38 (84%) |
| Surfactant | 36 (77%) | 38 (84%) |
| Inspired oxygen concentration at extubation† | 21 (21–23) | 21 (21–23.5) |
| Rate at extubation (breaths/minute)† | 15 (10–15) | 15 (10–15) |
| Mean airway pressure at extubation (cm H2O)1-150 | 5.6 (0.9) | 5.7 (1.3) |
↵1-150 mean (standard deviation); †median (interquartile range)