Table 4.
Respiratory parameters at the weaning start and end
| Start of weaning | End of weaning | |||||
|---|---|---|---|---|---|---|
| Weaning mode | Respiratory therapy–driven weaning | SmartCare™ weaning | Respiratory therapy–driven weaning | SmartCare™ weaning | ||
| Median (IQR) | Median (IQR) | p Value | Median (IQR) | Median (IQR) | p Value | |
| VT (ml) | 491 (350–611) | 515 (413–612) | 0.509 | 500 (420–600) | 500 (450–630) | 0.535 |
| f (breaths/min) | 20 (16–24) | 20 (17–24) | 0.947 | 17 (15–20) | 18 (17–20) | 0.354 |
| PSV (cmH2O) | 8 (7–10) | 10 (8–12) | 0.007 | 8 (7–8) | 5 (5–8) | 0.015a |
| PEEP (cmH2O) | 8 (8–10) | 8 (8–10) | 0.944 | 8 (7–8) | 5 (5–5) | <0.001b |
| FiO2 (%) | 0.30 (0.25–0.30) | 0.30 (0.25–0.30) | 0.499 | 0.30 (0.25–0.30) | 0.30 (0.25–0.30) | 0.572 |
| SpO2 (%) | 99 (98–100) | 99 (98–100) | 0.774 | 99 (98–100) | 99 (98–99) | 0.617 |
| P0.1 (cmH2O) | 2.5 (0.7–4.2) | 1.3 (0.7–2.5) | 0.201 | 2.8 (0.6–4.1) | 1.6 (1.2–2.4) | 0.201 |
| EtCO2 Mean (SD) | 35.7 (7.4) | 33.6 (8.2) | 0.422 | 35.4 (7.2) | 34.9 (6.6) | 0.826 |
Abbreviations: EtCO 2 end-tidal expiratory carbon dioxide, f respiratory rate, F i O 2 inspired fraction of oxygen, IQR interquartile range, P 0.1 airway occlusion pressure at the first millisecond, PEEP positive end-expiratory pressure, PSV pressure support ventilation, SD standard deviation, SpO 2 peripheral oxygen saturation, VT tidal volume
a p <0.05
b p <0.01