Table 3: Characteristics of the carbapenem resistant isolates.

Isolate code MIC (μg/ml) PCR of
β-lactamases/carabapenemases
Relative Copy number
IPM MEM bla
IMP
bla
KPC
blaOXA-48 bla
NDM-1
bla
VIM-1
blaOXA-48 blaNDM-1 blaVIM-1
K11 256 128 - - - - + ND ND 5.25±0.30
K18 4 0.5 - - - + - ND 0.24±0.01 ND
K23 1024 512 - - - + + ND 11.61±2.89 0.21±0.17
K35 64 32 - - - - + ND ND 6.67±1.31
K40 128 128 - - - + - ND 10.70±2.49 ND
K60 128 512 - - + - + 13.17±1.32 ND 2.44±0.13
K70 8 4 - - - + - ND 0.16±0.01 ND
K74 16 16 - - - + - ND 3.13±0.50 ND

IPM; imipenem, MEM: meropenem, ND: non-detectable, MIC: minimal inhibitory concentration.