Table 5.

Other characteristics in the HFNC and NIV groups

	HFNC (n = 113)	NIV (n = 112)	P value
Duration of HFNC or NIV (hours)	85.9 ± 30.5	78.7 ± 33.8	0.312
Day 1 (hours)	13.2 ± 4.5	9.9 ± 3.5	< 0.001
Day 2 (hours)	16.3 ± 4.1	12.8 ± 3.9	0.005
Day 3 (hours)	15.9 ± 6.4	14.8 ± 8.6	0.068
Day 4 (hours)	14.9 ± 6.5	13.6 ± 8.5	0.075
Day 5 (hours)	12.8 ± 4.9	11.4 ± 7.9	0.125
Dyspnea score	2 (2–4)	2 (1–3)	0.085
Airway care interventions, per day	5 (3–7)	8 (6–10)	< 0.001
Comfort score	7 (6–8)	6 (5–7)	< 0.001
Treatment intolerance	1 (0.9)	5 (4.5)	0.210
Nasal facial skin breakdown, n (%)	3 (2.7)	10 (8.9)	0.044

HFNC High-flow nasal cannula oxygen therapy; NIV Non-invasive ventilation; ICU Intensive care unit