Skip to main content

Table 1 The detection limit of CRE culture stratified by carbapenemase genes

From: Diagnostic performance of the Xpert Carba-R assay for active surveillance of rectal carbapenemase-producing organisms in intensive care unit patients

CarbapenemasesStrainsDisk diffusion (mm)The lowest detection limit of CRE culture (CFU/plate)
ErtapenemImipenemMeropenem
Ambler class A carbapenemase
 KPCC. koseri 1501518181
 KPCE. cloacae 2077191510
 KPCK. oxytoca 2111822231
 KPCK. pneumoniae 2221117131
 KPCE. coli 2231517201
MBL carbapenemase
 NDMC. freundii 148182019100
 NDME. coli 1926121010
 VIMK. pneumoniae 22518191910
 IMP-1E. asburiae 44162119100
Ambler class D carbapenemase
 OXA-48E. coli 2291922231 × 104
  1. Abbreviations: MBL metallo-β-lactamase