Table 1.
Antimicrobial susceptibility patterns of 19 KPC-producing P. mirabilis isolates
| Antimicrobial agent | MIC (μg/ml) |
||||||
|---|---|---|---|---|---|---|---|
| Clone A (n = 14) | Clone B |
Clone C (n = 1) | 50% | 90% | Other 6 isolates | ||
| B1 (n = 2) | B2 (n = 2) | ||||||
| Meropenem | 0.25–2 | 1–2 | 0.5–1 | 0.25 | 1 | 1 | ≤0.125 |
| Ertapenem | 0.125–0.5 | 0.25 | 0.125–0.25 | 0.125 | 0.125 | 0.25 | ≤0.125 |
| Ceftazidime | 0.5–128 | 1–8 | 1–2 | 0.5 | 1 | 16 | ≤0.25 |
| Cefotaxime | 0.25–16 | 2–8 | 1–2 | 1 | 1 | 8 | ≤0.25 |
| Ciprofloxacin | 0.012–>32 | 12–24 | 8–>32 | 12 | >32 | >32 | 0.012–0.19 |
| Amikacin | 0.75–>256 | 1 | 0.75–>256 | 2 | 128 | >128 | 0.15–2 |
| Ampicillin | 8–>128 | 128 | 128 | 128 | 2 | >256 | 1–16 |
| Cefoperazone-sulbactam | 2–16 | 16 | 8–16 | 8 | 8 | 16 | ≤0.25–1 |
| Piperacillin-tazobactam | 0.5–32 | 32 | 8 | 32 | 32 | 32 | ≤0.25–1 |