Table 2.
Antibiotics | Range | CRKP (n = 784) | CR-HvKP (n = 60) | ||||||
---|---|---|---|---|---|---|---|---|---|
MIC50 | MIC90 | %S | %R | MIC50 | MIC90 | %S | %R | ||
Ceftazidime | ≤4–>128 | 64 | >128 | 1 | 99 | 32 | >128 | 0 | 100 |
Cefotaxime | ≤4–>128 | >128 | >128 | 0 | 100 | >128 | >128 | 0 | 100 |
Amikacin | ≤4–>128 | >128 | >128 | 27 | 73 | >128 | >128 | 18 | 82 |
Ciprofloxacin | ≤1–>32 | >32 | >32 | 2 | 98 | 32 | >32 | 0 | 100 |
Cefmetazole | ≤2–>128 | 128 | >128 | 2 | 98 | 128 | >128 | 0 | 100 |
Cefepime | ≤4–>64 | >64 | >64 | 1 | 99 | >64 | >64 | 0 | 100 |
Piperacillin- tazobactam | 128/4–>256/4 | >256/4 | >256/4 | 0 | 100 | >256/4 | >256/4 | 0 | 100 |
Colistin | ≤0.5–>8 | ≤0.5 | 2 | 96 | 4 | ≤0.5 | 1 | 94 | 6 |
Imipenem | ≤0.5–>128 | 32 | 64 | 1 | 100 | 32 | 64 | 0 | 100 |
Meropenem | 2–>128 | 128 | >128 | 0 | 100 | 128 | >128 | 0 | 100 |
Ertapenem | 8–>128 | >128 | >128 | 0 | 100 | 128 | >128 | 0 | 100 |
Cefoperazone- sulbactam | 32/16–>128/64 | >128/64 | >128/64 | 0 | 100 | >128/64 | >128/64 | 0 | 100 |
Tigecyclinea | ≤0.25–4 | 1 | 2 | 79 | 21 | 1 | 2 | 69 | 31 |
Aztreonam | 32–>128 | >128 | >128 | 0 | 100 | >128 | >128 | 0 | 100 |
For tigecycline, NS (non-susceptible) % was used here to replace R% (resistance). The proportion of CRKP and CR-HvKP strains that exhibited intermediate resistance was 19% and 31%, respectively.