Table 2.
Multiple Logistic Regression Model Variables and Coefficients
| B | OR | SE | Wald | df | P Value | |
|---|---|---|---|---|---|---|
| Imi-R Klebsiella colonization | 2.873 | 17.697 | 0.708 | 16.491 | 1 | <.001 |
| Locationa | 7.689 | 2 | .021 | |||
| Location (high risk) | 0.730 | 2.075 | 0.381 | 3.671 | 1 | .055 |
| Location (low risk) | –1.002 | 0.367 | 0.784 | 1.636 | 1 | .201 |
| Age >60 | 0.771 | 2.161 | 0.367 | 4.414 | 1 | .036 |
| ABX-days in past 2 y | 0.009 | 1.009 | 0.003 | 6.897 | 1 | .009 |
| Inpatient days in past 5 y | –0.004 | 0.996 | 0.002 | 3.544 | 1 | .060 |
| Constant | –3.144 | 0.043 | 0.430 | 53.543 | 1 | <.001 |
Abbreviations: ABX-days, days of antibiotics; B, regression coefficient; df, degrees of freedom; Imi-R, imipenem-resistant; OR, odds ratio.
aEmergency department was considered the reference location.