Table 3.
Antibiotic susceptibilities of ESBL-producing and nonproducing uropathogenic E. coli isolates.
| Antimicrobials | Escherichia coli urinary isolates | p | ||
|---|---|---|---|---|
| Total | ESBL producers (n = 62) | ESBL nonproducers (n = 92) | ||
| Susceptible (%) | Susceptible (%) | Susceptible (%) | ||
| Ampicillin | 18 (11.7) | 0 (0.0) | 16 (17.3) | 0.005 |
| Piperacillin | 48 (31.1) | 8 (12.9) | 40 (43.4) | ≤0.001 |
| Cefixime | 78 (50.6) | 0 (0.0) | 78 (84.8) | ≤0.001 |
| Cefotaxime | 82 (53.2) | 4 (6.4) | 78 (84.8) | ≤0.001 |
| Ceftazidime | 84 (54.5) | 4 (6.4)) | 80 (86.9) | ≤0.001 |
| Gentamycin | 118 (76.6) | 50 (80.6) | 68 (73.9) | 0.220 |
| Cotrimoxazole | 80 (51.9) | 32 (51.6) | 48 (52.1) | 0.538 |
| Nitrofurantoin | 142 (92.2) | 56 (90.3) | 86 (93.4) | 0.336 |
| Ofloxacin | 90 (58.4) | 22 (35.4) | 68 (73.1) | ≤0.001 |
| Imipenem | 146 (94.8) | 56 (90.3) | 90 (97.8) | 0.047 |
| Meropenem | 136 (88.3) | 52 (83.8) | 84 (91.3) | 0.018 |