Skip to main content
. 2022 Mar 19;11(1):841–849. doi: 10.1080/22221751.2022.2049458

Table 2.

Antimicrobial susceptibility of clinical CRKP and CR-HvKP strains.

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
a

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.