TABLE 2.

MICs of carbapenems (in micrograms/milliliter) for three KPC-possessing strains of Enterobacter spp.

IsolateAgar dilution (104 CFU/spot)Etest (imipenem)Broth microdilution (imipenem)
MeropenemErtapenemImipenem108 CFU/ml104 CFU/ml105 CFU/ml106 CFU/ml107 CFU/ml
M6178241616>322416>32
DM303484240.524>32
MA5048816>320.528>32