TABLE 3

Frequencies of resistance to sulbactam among susceptible A. baumannii strains at the indicated concentrations

StrainSulbactam MIC (μg/ml)Frequency of resistance at:
2× MIC4× MIC8× MIC16× MIC
ARC205814.41E−091.39E−092.11E−09<4.15E−10
ATCC 1797818.50E−098.10E−09<4.05E−104.05E−10
ATCC 19606T1<4.15E−10<4.15E−10<4.15E−10<4.15E−10
ARC54684<4.15E−10<4.15E−10<4.15E−10<4.15E−10
ARC246116<4.15E−10<4.15E−10<4.15E−10<4.15E−10