TABLE 2.
Culture and isolate genotyping results of 77 perianal swabs that yielded a ceftriaxone-resistant Enterobacteriaceae isolate when plated to ESBL and CRE selective chromogenic agara
| Organism(s) | No. of isolates with indicated result |
||||||
|---|---|---|---|---|---|---|---|
| KPC | CTX-M (ESBL) | pAmpC |
ESBL+pAmpCb | KPC+pAmpCc | Other/Unknownd | ||
| CMY2LATCEF | ACT/MIR | ||||||
| Escherichia coli (n = 50) | 2 | 41 | 4 | 2 | 1 | ||
| Klebsiella pneumoniae (n = 8) | 2 | 3 | 2 | 1 | 1 | ||
| Enterobacter cloacae (n = 5) | 3 | 1 | 1 | ||||
| Klebsiella oxytoca (n = 3) | 2 | 1 | |||||
| Citrobacter freundii (n = 2) | 1 | 1 | |||||
| Enterobacter aerogenes (n = 1) | 1 | ||||||
| Pantoea agglomerans (n = 1) | 0 | 1 | |||||
| Proteus mirabilis (n = 1) | |||||||
| Polymicrobial (n = 6) | 1 | 2 | 1 | 1 | 1 | ||
| Total | 7 | 46 | 8 | 3 | 4 | 4 | 5 |
a
Abbreviations: KPC, Klebsiella pneumoniae carbapenemase; ESBL, extended-spectrum β-lactamase; CRE, carbapenem-resistant Enterobacteriaceae; pAmpC, plasmid-mediated AmpC.
b
CTX-M plus CMY2LATCEF (n = 3) and CTX-M plus ACT/MIR (n = 1).
c
KPC plus CMY2LATCEF (n = 3) and KPC plus ACT/MIR (n = 1).
d
No carbapenemases, ESBLs, or plasmid-mediated AmpCs detected (n = 4) and KPC plus ACT/MIR plus ESBL SHV (n = 1).