Table 3. Multivariate analysis of risk factor for development of colistin-resistant A. baumannii infection

Ann Clin Microbiol 2023;26:29-36. Risk factors associated with colistin-resistant Acinetobacter baumannii infection

Table 3. Multivariate analysis of risk factor for development of colistin-resistant A. baumannii infection

Variable	Colistin-resistant A. baumannii infection
Variable	OR	95% CI	P-value
Use of teicoplanin	3.140	0.529-18.650	0.208
Hemodialysis	2.722	0.851-8.709	0.091
Pulmonary disease	2.286	0.998-5.283	0.053
Use of carbapenem	2.199	0.863-5.603	0.099
Co-infection*	1.706	0.746-3.898	0.205
Mechanical ventilation	1.614	0.684-3.809	0.275
ICU stay	1.387	0.560-3.435	0.480
Tracheostomy	1.102	0.344-3.527	0.870
Length of hospital stay before A. baumannii infection (day)	0.991	0.978-1.003	0.143

*Other bacteria are isolated from the same or other samples within 3 days of A. baumannii isolation. Abbreviations: OR, odds ratio; CI, confidence interval; ICU, intensive care unit.