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. 2022 Jan 12;10(1):e01092-21. doi: 10.1128/spectrum.01092-21

TABLE 2.

The correlation among disk diffusion, Etest, and BMD for isolates with ceftazidime-avibactam zones of 20 to 22 mm

Strain Broth microdilution E-test Disk diffusion
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
E. coli >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae 16 μg/mL 16 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae >64 μg/mL >256 μg/mL 20 mm
K. pneumoniae 4 μg/mL 3 μg/mL 21 mm
E. coli 4 μg/mL 2 μg/mL 22 mm
K. pneumoniae 4 μg/mL 1.5 μg/mL 22 mm
K. pneumoniae 2 μg/mL 2 μg/mL 22 mm
K. pneumoniae 8 μg/mL 2 μg/mL 22 mm
K. pneumoniae 4 μg/mL 3 μg/mL 22 mm
K. pneumoniae 8 μg/mL 3 μg/mL 22 mm
Morganella morganii 4 μg/mL 6 μg/mL 22 mm