Table 1.

Univariate and multivariate analysis of risk factors for secondary CRKP-BSI among patients with ICU-acquired CRKP pneumonia.

	Univariate analysis			Multivariate analysis
Variables	OR	95% CI	P	OR	95% CI	P
Age	0.990	0.304–3.227	0.987
Septic shock	5.741	1.499–21.983	0.011	2.160	0.235–19.855	0.496
Urinary tract infection	10.800	2.726–42.796	0.001	6.979	0.889–54.766	0.065
Artificial airway	1.575	0.455–5.457	0.474
Central venous catheter	4.435	0.535–36.744	0.167
Bronchoscopy	4.063	1.060–15.566	0.041	2.074	0.281–15.285	0.474
Urethral catheter	1.872	0.374–9.366	0.445
Leukocyte	1.029	0.984–1.077	0.214
Neutrophil	1.034	0.985–1.086	0.181
Lymphocyte	0.227	0.054–0.954	0.043	1.505	0.188–12.066	0.700
Platelet	0.980	0.970–0.991	<0.001	0.984	0.970–0.998	0.028
PCT	1.027	0.992–1.063	0.137
APACHE II score	1.201	1.095–1.318	<0.001	1.185	1.024–1.373	0.023
SOFA score	1.200	1.053–1.369	0.006	0.913	0.730–1.142	0.426

APACHE II: Acute physiology and chronic health evaluation II; BSI: Bloodstream infection; CI: Confidence interval; CRKP: Carbapenem-resistant Klebsiella pneumoniae; ICU: Intensive care unit; OR: Odds ratio; PCT: Procalcitonin; SOFA: Sequential organ failure assessment.