TABLE 1.
Abbreviations: AMP, ampicillin; EDTA, ethylenediaminetetraacetic acid; CAZ, ceftazidime; CF, cephalothin; IMI, imipenem; MER, meropenem; ERT, ertapenem; N.D., not determined.
Values are color coded to more easily visualize changes according to the following scheme: no coloration for little change; light, medium, and dark coloration for decreasing by approximately 2, 4, and ≥6 serial dilutions.