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. 2015 Jan 27;59(2):1138–1144. doi: 10.1128/AAC.04146-14

TABLE 3.

Concentration of avibactam required to reach a given MIC of ceftazidime for the median and 90th percentile of strains

Ceftazidime target MIC (mg/liter) MICs of avibactam (50th/90th percentiles [mg/liter]) for:
P. aeruginosa (n = 18) Enterobacteriaceae all (n = 51) E. coli (n = 18) K. pneumoniae (n = 29)
1 32/≥64 1/4 0.031/2 2/8
4 4/16 0.063/1 0.016/0.063 0.250/1
8 1/8 0.031/0.25 0.016/0.031 0.125/0.5