Table 2.

MICs for Acinetobacter isolates

AntibioticMIC (μg/ml) for the isolate (source)MICs (μg/ml) for control isolates (n = 40) from 1984a
04737 (Belgium)327009 (Spain)I-16 (Singapore)A-15 (Kuwait)RangeMIC50MIC90
Imipenem64641640.12–0.50.120.25
Meropenem>128>1283280.12–0.50.251
Ceftazidime>128>128>128161–32816
Cefotaxime>128>128>128640.25–1281664
Cefuroxime>128>128>128>1280.5–12832128
Cefepime8>12816160.25–64816
Cefoxitin>128>128>128>1282–25664128
Ampicillin>128>128>128>1284–25632256
Piperacillin>128>128>128>1284–25632256
Aztreonam128>12832320.5–111
Sulbactam88880.5–32832
  • a MIC50 and MIC90, MICs at which 50 or 90% of the isolates were inhibited, respectively.