TABLE 3.

Number of ESBL-producing isolates by year of isolation, organism, and type of enzyme

Yr and organismNo. of isolates producing:
CTX-MTEMSHVCTX-M + SHV
2000
    E. coli0001
    K. pneumoniae0010
    K. oxytoca0110
2001
    E. coli0021
    K. pneumoniae0040
    K. oxytoca0030
2002
    E. coli0020
    K. pneumoniae0030
    E. cloacae0010
2003
    E. coli3100
    K. pneumoniae0030
    K. oxytoca3000
2004
    E. coli8020
    K. pneumoniae0011
    E. cloacae0010
2005
    E. coli8000
    K. pneumoniae1010
    K. oxytoca4011
    Enterobacter spp.2000
2006 (first 6 mo)a
    E. coli12021
    K. pneumoniae1062
    K. oxytoca1000
    M. morganii1000
    P. mirabilis1000
  • a 27 isolates were recovered in this time.