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. Author manuscript; available in PMC: 2021 Aug 23.
Published in final edited form as: Infect Control Hosp Epidemiol. 2017 Apr 11;38(6):670–677. doi: 10.1017/ice.2017.62

Table 2.

Multivariate Analysis of Risk Factors for KPC Acquisition in Long-Term Acute-Care Hospitals (LTACHs)

Variable OR (95% CI) P Value
Colonization pressure, % 1.02 (1.01–1.04) .002
Charlson comorbidity index 1.14 (1.01–1.29) .04
Exposure to carbapenem antibiotics 2.25 (1.06–4.77) .04

Note. KPC, Klebsiella pneumoniae carbapenemase-producing Enterobacteriaceae; OR, odds ratio; CI, confidence interval.