Table 1

In vitro activity of 10 antimicrobial agents against 53 E. cloacae strains isolated in 2007 at National Cheng Kung University Hospital

AntibioticMIC (μg/ml)% resistance
Range50%90%
Amikacin0.5–162160
Gentamicin0.25–>256>256>25684.9
Cefotaxime32–>256128>256100
Ceftazidime4–>256256>25698.1
Cefepime0.25–2561612847.2
Ciprofloxacin0.03–256812883
Levofloxacin0.03–2561612883
Ertapenem8–>2561632100
Imipenem0.25–32125.7
Meropenem0.06–40.250.51.9