Table 2.
Clinical characteristics at the time of extubation
| NIV-NAVA (n = 16) |
NCPAP (n = 16) |
P value | |
|---|---|---|---|
| PMA at extubation (weeks) | 30 (28+ 6, 31+ 4) | 29+ 4 (27+ 3, 30+ 4) | 0.282 |
| Weight at extubation (grams) | 1045 (800, 1325) | 1025 (905, 1190) | 0.651 |
| Pre-extubation | |||
| Ventilator duration (days) | 21.5 (11.5, 27) | 9.5 (4.5, 34.5) | 0.365 |
| Systemic steroid use | 7 (43.8) | 5 (31.3) | 0.358 |
| RSS | 1.65 (1.49, 2.28) | 1.95 (1.68, 2.32) | 0.317 |
| OSI | 1.70 (1.53, 2.39) | 2.09 (1.76, 2.51) | 0.274 |
| MAP (cmH2O) | 7 (7, 7.5) | 8 (7, 8) | 0.212 |
| PEEP (cmH2O) | 5 (5, 5) | 5 (5, 6) | 0.531 |
| PIP (cmH2O) | 13 (12, 14) | 15 (12, 16) | 0.180 |
| FiO2 (%) | 0.24 (0.21, 0.31) | 0.25 (0.21, 0.30) | 0.700 |
| pCO2 (mmHg) | 53.2 (45.0, 58.4) | 49.1 (43.7, 65.3) | 0.970 |
| SpO2 (mmHg) | 95.5 (94, 98.5) | 96 (93.5, 97) | 0.760 |
Values are presented as the median (interquartile range) or n (%)
NIV-NAVA Noninvasive neurally adjusted ventilatory assist, NCPAP Nasal continuous positive airway pressure, PMA Postmenstrual age, RSS Respiratory severity score, OSI Oxygen saturation index, MAP Mean airway pressure, PEEP Positive end-expiratory pressure, PIP Peak inspiratory pressure