Table 2.

_{Secondary outcomes}

	All patients (n = 266)	NIV (n = 92)	HFNO (n = 31)	NIV + HFNO (n = 143)	p value
ICU length of stay, (days)	7 (3–15)	8.5 (5–14)	9 (7–23)	15 (10–25)*	< 0.001
Hospital length of stay, (days)	8 (5–15)	13 (10–21)	17 (11.5–27)	20 (15–30)*	< 0.001

	All patients who were in IMV (n = 98)	NIV (n = 24)	HFNO (n = 7)	NIV + HFNO (n = 67)	p value
Time to IMV, (days)	8 (6–12)	8 (6–15)	9 (5.5–10)	8 (6–11)	0.837

Values are medians (interquartile range). Bonferroni multiple comparison tests were done for proportions or continuous variables, as appropriate

IMV invasive mechanical ventilation, NIV non-invasive ventilation, HFNO high-flow nasal oxygen, ICU intensive care unit

^*Versus the NIV group