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

Table 4

Clinical outcomes after propensity score matching.

Variables	Total (n = 88)	HFNC (n = 44)	NIV group (n = 44)	value
30-day mortality (%)	5 (5.7)	2 (4.5)	3 (6.8)	0.645
90-day mortality (%)	7 (8.0)	2 (4.5)	5 (11.4)	0.237
Treatment failure (%)	22 (25)	17 (38.6)	5 (11.4)	0.003
Intubation (%)	7 (8.0)	2 (4.5)	5 (11.4)	0.237
Total ventilation time (days)	8 (5–15)	7 (4–11)	13 (7–23)	0.001
Length of ICU stay (days)	14 (8–22)	11 (7–15)	18 (11–27)	0.001
Length of hospital stay (days)	16 (12–22)	14 (9–17)	20 (16–30)	0.001
Hospital cost ($USD)	6448 (4124–11013)	4392 (3450–7889)	8403 (5738–17469)	0.001

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