Table 3 Duration of device usage and causes of reintubation
Variables | NIV (N = 110) | HFNC (N = 112) | Relative risk (95% CI) | P |
|---|---|---|---|---|
Duration of device usage, median (IQR), h | 24 (19–42) | 24 (20–55) | 0.18 | |
Interval from extubation to reintubation, median (IQR), h | 67 (23–139) | 54 (19–282) | 0.90 | |
Device protocol compliance rate | 105 (95.5) | 107 (95.5) | 0.99 (0.49–2.01) | 0.98 |
Causes of reintubation, No. (%) | ||||
Hypoxia | 21 (19.1) | 20 (17.9) | 0.96 (0.69–1.34) | 0.81 |
Hemodynamic instability | 6 (5.5) | 4 (3.6) | 0.82 (0.48–1.38) | 0.50 |
Cardiac arrest | 4 (3.6) | 4 (3.6) | 0.99 (0.49–2.01) | 0.98 |
Urgent surgery | 2 (1.8) | 1 (0.9) | 0.74 (0.33–1.67) | 0.55 |
Inability to clear secretions | 1 (0.9) | 4 (3.6) | 2.51 (0.43–14.57) | 0.18 |
Altered mental status | 1 (0.9) | 4 (3.6) | 2.51 (0.43–14.57) | 0.18 |
Others | 2 (1.8) | 1 (0.9) | 0.65 (0.38–1.17) | 0.50 |