TABLE 3.
Risk factors for ciprofloxacin-resistant E. coli bacteremia in febrile granulocytopenic patients (univariate analysis)
| Characteristic | Patients infected with ciprofloxacin-susceptible strains (n = 15) | Patients infected with ciprofloxacin-resistant strains (n = 18) | P (OR) |
|---|---|---|---|
| Age (yr [mean ± SDa]) | 63 ± 13 | 62 ± 11.3 | 0.26 |
| Sex (no. of males/no. of females) | 8/7 | 8/10 | NSb |
| No. (%) of patients with: | |||
| Urinary catheter | 0 | 3 (17) | 0.04 |
| Prior antibiotic use | 2 (13) | 17 (94) | <0.001 (110) |
| Prior quinolone use | 0 | 14 (78) | <0.001 |
a
SD, standard deviation.
b
NS, not significant.