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. 2020 Mar 25;5(2):e00891-19. doi: 10.1128/mSphere.00891-19

TABLE 1.

Antimicrobial susceptibility profiles

Antibiotic MIC (mg/liter)/antimicrobial susceptibilitya
C. braakii CRE3 Electroporant CRE3-KPC-DH5α E. coli DH5α
Ampicillin ≥32/R ≥32/R ≤2/R
Piperacillin ≥128/R ≥128/R ≤4/S
Cefuroxime ≥64/R ≥64/R 4/S
Ceftriaxone ≥64/R ≥64/R ≤1/S
Ceftazidime ≥64/R 4/S ≤1/S
Cefepime ≥64/R ≤1/S ≤1/S
Aztreonam ≥64/R ≥64/R ≤1/S
Imipenem ≥16/R ≥16/R ≤1/S
Meropenem ≥16/R ≥16/R ≤0.25/S
Amikacin 32/I ≤2/S ≤2/S
Gentamicin ≥16/R ≥16/R ≤1/S
Tobramycin ≥16/R 2/S ≤2/S
Ciprofloxacin ≥4/R ≤0.25/S ≤0.25/S
Levofloxacin 4/I ≤0.25/S ≤0.25/S
Nitrofurantoin 128/R ≤16/S ≤16/S
a

The interpretation is derived from the Clinical and Laboratory Standards Institute guidelines (CLSI, 2018) (S, sensitive; R, resistant; I, intermediately resistant).