Table 5. Vital parameters on the device.
| Parameters |
HFNC,
mean (SD) |
NRBM,
mean (SD) |
p-value | OR (95% CI) |
| PaO2 on device | 84.23 (9.202) | 74.27 (4.160) | <0.001 | 9.967 (6.276 - 13.657) |
| PaO2/FiO2 on device | 264.60 (42.019) | 216.62 (23.868) | <0.001 | 47.979 (30.080 - 65.878) |
| SpO2 on device | 95.17 (4.662) | 93.53 (4.911) | 0.7719 | 1.633 (–0.841 - 4.108) |
| RR | 23.17 (2.086) | 25.52 (0.871) | 0.001 | –1.351 (–2.189 - [–0.512]) |
| HR | 86.83 (3.815) | 87.03 (1.732) | 0.794 | –0.20 (–1.0731 - 1.331) |
| MAP | 74.00 (1.661) | 73.20 (1.648) | 0.661 | 0.80 (–0.055 - 1.655) |
| Patient satisfaction level | 6.07 (0.691) | 2.80 (0.761) | 0.001 | - |
HFNC = high-flow nasal cannula
NRBM = non-rebreathing mask
OR = odds ratio
CI = confidence interval
PaO2 = partial pressure of oxygen
PaO2/FiO2 = ratio of partial pressure of oxygen and fraction of inspiratory oxygen
SpO2 = oxygen saturation
RR = respiration rate
HR = heart rate
MAP = mean arterial pressure