Initial settings of non-invasive ventilation and blood gas responses (n = 110)
| Parameters | |
|---|---|
| Data are expressed as mean (SD) unless otherwise specified. | |
| IQR, interquartile range; IPAP, inspiratory positive airway pressure; EPAP, expiratory positive airway pressure; Pao2, Paco2, arterial oxygen and carbon dioxide tensions; Fio2, fraction of inspired oxygen. | |
| IPAP (cm H2O) | 16.2 (2.8) |
| EPAP (cm H2O) | 6.2 (2.0) |
| Fio2 (%) | 38.6 (10.8) |
| No of days on NIV (median, IQR) | 5 (3–7) |
| First hour | |
| pH | 7.28 (0.07) |
| Paco2 (kPa) | 9.9 (2.1) |
| Day 1 | |
| pH | 7.34 (0.07) |
| Paco2 (kPa) | 9.0 (1.9) |