TABLE 1.
KPC and other β-lactamases associated with carbapenem-resistant Enterobacteriaceae recovered by each method
| Organism | No. of isolates | KPC enzyme no./genotype | No./name of associated β-lactamases | No. of isolates by Spectra CRE plate | No. of isolates by CDC method |
|---|---|---|---|---|---|
| Klebsiella pneumoniae | 51 | 33/KPC-3 | 49/SHV | 50 | 47 |
| 41/TEM | |||||
| 18/KPC-2 | 12/CTX-M-1 group | ||||
| Escherichia coli | 22 | 13/KPC-3 | 3/SHV | 21 | 13 |
| 14/TEM | |||||
| 9/KPC-2 | 3/CTX-M-1 group | ||||
| Enterobacter cloacae | 4 | 4/KPC-2 | 4/ACT/MIR | 4 | 0 |
| Enterobacter aerogenes | 1 | 1/KPC-2 | 1/TEM | 1 | 0 |