Table 1.

Susceptibilities of E. aerogenes isolates to 10 antimicrobial agents

Antimicrobial agentMIC (μg/ml)% Susceptible strains with the following AP-PCR type:
50%90%RangeBE 1 (n = 93)BE 2 (n = 94)Other epidemic (n = 51)Sporadic (n = 11)All (n = 249)
Temocillin16320.25–1287865808274
Piperacillin-tazobactam642560.25–2561921413625
Ceftazidime2562560.25–2561a 13a 282712
Cefepime180.06–25690949710093
Imipenem120.06–3299989810098
Meropenem0.060.120.06–8100100100100100
Amikacin8160.06–641008510010094
Gentamicin120.12–25610099989696
Isepamicin120.12–8100100100100100
Ciprofloxacin32640.06–1287a 24a 478223
  • a P < 0.001 for the proportion of susceptible strains versus other epidemic and sporadic type strains.