High-Flow Nasal Cannula versus Noninvasive Ventilation in AECOPD Patients with Respiratory Acidosis: A Retrospective Propensity Score-Matched Study

Table 5

Clinical outcomes of HFNC success, HFNC failure, and NIV groups.

Variables	HFNC (n = 44)		NIV group (n = 44)	value
	Success group (n = 27)	Failure group (n = 17)
30-day mortality (%)	0 (0)	2 (11.8)	3 (6.8)	0.234
90-day mortality (%)	0 (0)	2 (11.8)	5 (11.4)	0.186
Intubation (%)	0 (0)	2 (11.8)	5 (11.4)	0.186
Total ventilation time (days)	5 (4–7)	13 (9–19)	13 (7–23)	0.001
Length of ICU stay (days)	8 (6–11)	16 (13–22)	18 (11–27)	0.001
Length of hospital stay (days)	11 (8–15)	16 (14–22)	20 (16–30)	0.001
Hospital cost ($USD)	3854 (2976–5377)	7619 (4049–11002)	8403 (5738–17469)	0.001

Data are presented as median (interquartile range) or no. (%).