TABLE 2.
Multivariable Cox Proportional Hazards Regression Model of Risk Factors Associated with Fluoroquinolone-Resistant Escherichia coli Colonization in Hospitalized Patients
Variable | HR (95% CI) | P |
---|---|---|
LOS before the initial sample | 1.02 (1.01–1.03) | .003 |
Admission to hospital 2 | 2.05 (1.12–3.74) | .02 |
Central venous catheter | 0.67 (0.40–1.13) | .13 |
Malignancy | 0.37 (0.21–0.67) | .001 |
Receipt of cefepimea | 1.05 (1.00–1.10) | .048 |
Receipt of a first-generation cephalosporina,b | 1.19 (1.10–1.29) | <.001 |
note. CI, confidence interval; HR, hazard ratio; LOS, length of stay.
Modeled as a time-varying covariate.
Cefazolin and cephalexin.