Table 4.
Logistic regression analysis of risk factors for BSIs caused by MDR and non-MDR strains of P. mirabilisa
| Variable | P value | OR (95% CI) |
|---|---|---|
| BSI caused by an MDR strain of P. mirabilis | ||
| Admission from a long-term care facility | 0.006 | 9.78 (1.94–49.16) |
| Previous fluoroquinolone therapy | 0.02 | 5.52 (1.30–23.43) |
| Previous oxyimino-cephalosporin therapy | 0.01 | 4.72 (1.31–16.99) |
| Urinary catheterization | 0.005 | 3.89 (1.50–10.09) |
| Previous hospitalization | 0.04 | 2.68 (1.04–6.89) |
| BSI caused by a non-MDR strain of P. mirabilis | ||
| Immunosuppressive therapy | 0.001 | 4.78 (1.96–11.67) |
| Age >65 years | <0.001 | 3.87 (1.86–8.06) |
| Urinary catheterization | 0.005 | 2.84 (1.38–5.86) |
a
Abbreviations: BSI, bloodstream infection; MDR, multidrug resistant.