TABLE 2.
Antibiotic resistance in relation to ST131 status among 86 fluoroquinolone-resistant fecal Escherichia coli isolates from colonized hospital inpatients
| Antibiotic | Prevalence of resistance, no. of isolates (column %) |
P value | |
|---|---|---|---|
| ST131 (n = 21) | Non-ST131 (n = 65) | ||
| Ampicillin-sulbactam | 19 (92) | 46 (72) | 0.08 |
| Cefazolin | 6 (29) | 20 (32) | >0.99 |
| Ceftazidime | 1 (5) | 12 (19) | 0.17 |
| Ceftriaxone | 1 (5) | 11 (17) | 0.28 |
| Gentamicina | 7 (33) | 22 (34) | >0.99 |
| Imipenem | 1 (5) | 0 (0) | 0.24 |
| Piperacillin-tazobactam | 3 (14) | 4 (6) | 0.35 |
| Trimethoprim-sulfamethoxazole | 12 (57) | 39 (60) | >0.99 |
a
Isolate resistance profiles were the same for tobramycin as for gentamicin.