Skip to main content

Table 1 MIC values of 32 clinical E. cloacae complex isolates

From: Emergence of carbapenem-resistant and colistin-susceptible Enterobacter cloacae complex co-harboring blaIMP-1 and mcr-9 in Japan

Antimicrobial AgentsaBreakpoint for resistance (μg/ml)No. of resistant Isolates (%)MIC data (μg/ml)
RangeMIC50MIC90
Amikacin≥6400.5 to 412
Aztreonam≥1625 (78.1%)< 0.25 to 25632256
Ceftazidime≥1632 (100%)32 to > 512256> 512
Ciprofloxacin≥415 (46.87%)< 0.25 to 64232
Colistinb> 200.03 to 20.250.5
Imipenem≥418 (56.25%)< 0.25 to1648
Meropenem≥418 (56.25%)0.5 to 16416
Tigecyclineb> 0.512 (37.5%)< 0.25 to 40.51
  1. aBreakpoints for antimicrobial resistance were determined according to CLSI guidelines
  2. bBreakpoint for Colistin and Tigecycline was determined according to EUCAST guidelines