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Table 3 MIC values for individual antibiotics alone (as determined by the broth microdilution method) and in effective synergistic combination with tigecycline (as determined by the chequerboard method) for seven A. baumannii isolates

From: In vitro activity of tigecycline in combination with various antimicrobials against multidrug resistant Acinetobacter baumannii

  MIC (mg/L) a
Study code TIG LVX AMK IPM CS TIG/LVX TIG/AMK TIG/IPM TIG/CS
5 4 16 64 16 0.25 0.25/4 NS NS NS
11 4 16 64 16 0.5 0.25/4 1/16 NS NS
16 8 16 128 16 0.125 2/4 NS NS 2/0.03
62 4 8 2 2 0.25 NS NS 0.25/0.5 NS
71 4 8 256 16 0.5 NS 1/64 NS NS
75 4 16 128 2 0.5 0.25/4 NS NS 1/0.125
80 4 8 128 32 0.25 NS NS 0.25/8 NS
  1. a Breakpoint criteria are provided in Additional file 1.