Table 2.

Univariate and multivariate logistic regression analysis for pendelluft

Variables	Univariate logistic regression		Multivariate logistic regression
	Odds ratio (95% CI)	p	Odds ratio (95% CI)	p
APACHE II score	1.043 (0.994–1.096)	0.086	1.053 (0.999–1.111)	0.052
PaO2/FiO2 ratio	0.997 (0.991–1.002)	0.211	0.995 (0.989–1.002)	0.164
PEEP	0.930 (0.792–1.082)	0.357	0.944 (0.789–1.123)	0.520
Spontaneous breathing	2.707 (1.463–5.112)	0.002	2.375 (1.175–4.883)	0.017
Respiratory rate	1.133 (1.044–1.235)	0.003	1.070 (0.975–1.178)	0.157
GI index (per 0.01 increase)	1.153 (1.049–1.275)	0.004	1.141 (1.030–1.272)	0.014

APACHE Acute Physiology and Chronic Health Evaluation, PEEP positive end-expiratory pressure; GI global inhomogeneity