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Table 2 Selected secondary outcomes, median (range) or n (%)

From: Hazards to avoid in future neonatal studies of nasal high-frequency oscillatory ventilation: lessons from an early terminated trial

  nHFOV (n = 4) nCPAP (n = 2)
Blood gas analysis 2 h after extubation
 pH 7.31 (7.20–7.36) 7.25a
 pCO2 (mmHg) 60 (52–63) 73a
 pO2 (mmHg) 32 (25–42) 35a
Other secondary outcomes
 Successful extubation for > 72 h 3 (75) 0 (0)
 Treatment failure 2 (50) 2 (100)
 Successful rescue treatment 1 (25) 0 (0)
 Reintubation 1 (25) 2 (100)
 Highly viscous secretions 2 (50) 0 (0)
 Duration of mechanical ventilation (days) 22.5 (15–54) 47 (40–54)
 Duration of supplemental oxygen (days) 70 (51–118) 81 (80–82)
 Intraventricular haemorrhage 3°–4° 0 (0) 2 (100)
 Death or moderate to severe bronchopulmonary dysplasiab 1 (25) 1 (50)
  1. aOne patient in the nCPAP group had no blood gas analysis due to reintubation less than 2 h after extubation.
  2. bCombined outcome of death or moderate to severe bronchopulmonary dysplasia
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