. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: Infect Control Hosp Epidemiol. 2012 Jan 6;33(3):302–304. doi: 10.1086/664055

Table 1.

Bivariable Analysis of Risk Factors for Extended-Spectrum β-Lactamase–Producing Enterobacteriaceae Colonization

Variable	Case patients (n = 8)	Control subjects (n = 231)	OR (95% CI)	P
LTCF-2^a	1 (12.5)	124 (53.7)	0.12 (0.01–0.99)	.03
LCTF-3^a	3 (37.5)	25 (10.8)	4.94 (0.72–26.92)	.05
Recent use of levofloxacin	1 (12.5)	6 (2.6)	5.36 (0.11–54.38)	.21
Dialysis	1 (12.5)	9 (4.3)	3.52 (0.07–32.61)	.28
Fecal incontinence	6 (75)	82 (36.8)	5.45 (0.94–56.00)	.05

note. Only those variables with a P value ≤.30 are shown. CI, confidence interval; LTCF, long-term care facility; OR, odds ratio.

Reference category, LTCF-1.