Table 1.
Stone Culture Results
| Drug | Pseudomonas | Enterococcus | Escherichia coli | Enterobacter cloacae #1 | Enterobacter cloacae #2 |
|---|---|---|---|---|---|
| Amikacin | S | NT | S | S | S |
| Ampicillin | NT | S | NT | NT | NT |
| Aztreonam | R | NT | S | R | I |
| Carbenicillin | NT | NT | NT | NT | NT |
| Cefoxitin | R | NT | S | R | R |
| Ceftazidime | S | NT | S | R | R |
| Ciprofloxacin | R | R | R | R | R |
| Erythromycin | NT | R | NT | NT | NT |
| Ofloxacin | R | NT | S | S | I |
| Keflin | I | S | R | R | R |
| Macrodantin | S | S | R | R | R |
| Mezlocillin | I | S | R | R | R |
| Piperacillin | S | S | R | R | R |
| Tobramycin | R | S | S | I | R |
| Trimethoprim/Sulfamethoxazole | R | NT | S | R | R |
| Vancomycin | S | NT | NT | NT | NT |
| Vibramycin | R | NT | NT | NT | NT |
| Oxacillin | R | NT | NT | NT | NT |
I, intermediate; NT, not tested; R, resistant; S, sensitive.