TABLE 6.
EA, ACC, and discrepancies between VITEK 2 and reference microdilution method for 22 imipenem-resistanta P. aeruginosa isolates
| Antimicrobial agent | Percent
|
||||
|---|---|---|---|---|---|
| EA | ACC | Minor error | Major error | Very major error | |
| Cefepime | 86.4 | 91.0 | 4.5 | 4.5 | 0.0 |
| Cefotaxime | 100.0 | 91.0 | 9.0 | 0.0 | 0.0 |
| Ceftazidime | 90.9 | 95.5 | 0.0 | 4.5 | 0.0 |
| Ciprofloxacin | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Gentamicin | 90.9 | 100.0 | 0.0 | 0.0 | 0.0 |
| Imipenem | 95.4 | 81.8 | 13.7 | 0.0 | 4.5 |
| Levofloxacin | 95.4 | 100.0 | 0.0 | 0.0 | 0.0 |
| Meropenem | 95.4 | 86.3 | 13.7 | 0.0 | 0.0 |
| Piperacillin | 68.2 | 95.5 | 0.0 | 4.5 | 0.0 |
| Tobramycin | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| All agents | 92.3 | 94.1 | 4.1 | 1.4 | 0.4 |
a
Isolates resistant to imipenem and susceptible to the cephalosporins and fluoroquinolones tested.