Influencing factors of noninvasive positive pressure ventilation in the treatment of respiratory failure: a 10-year study in one single center

Table 1 Comparison of clinical data between the success and failure groups

	NPPV-success (n = 2025)	NPPV-failure (n = 1287)	t/χ²/Z	P value
Age (years)	67.82 ± 15.01	68.24 ± 15.48	− 0.754	0.451
Gender (n): male	1368	882	0.316	0.574
female	657	405	0.316	0.574
Analgesia and/or sedation (n): yes	43	26	0.039	0.843
no	1982	1261	0.039	0.843
Barotrauma (n): yes	10	9	0.587	0.444
no	2015	1278	0.587	0.444
IPAP (cmH₂O)	14 (12, 15)	14 (12, 15)	− 0.101	0.920
EPAP (cmH₂O)	5 (4, 6)	5 (4, 6)	0.355	0.723
Albumin (g/L)	34.93 ± 5.30	32.52 ± 5.80	12.03	< 0.001
Ca²⁺ (mmol/L)	2.13 (2.03, 2.24)	2.09 (1.96, 2.21)	− 7.148	< 0.001
Blood glucose (mmol/L)	6.24 (4.99, 8.32)	6.56 (5.12, 8.79)	2.969	0.003
Duration of NPPV treatment (days)	5 (2, 10)	2 (1, 5)	− 17.267	< 0.001
Length of hospital stay (days)	16 (11, 25)	14 (8, 23)	− 6.566	< 0.001

ISSN: 2047-783X