Table 2. Characteristics of Enterobacteriaceae isolates submitted for CPE surveillance during the first halves of 2012 and 2013.
| MIC >0.25 μg/ml | MIC ≤0.25 μg/ml | |||||||
|---|---|---|---|---|---|---|---|---|
| Enterobacteriaceae species (n) | PCR | N | % | n | CIM+ | n | CIM+ | |
| Klebsiella pneumoniae (88) | IMP | 2 | 2.3 | 2 | 2 | |||
| KPC | 5 | 5.7 | 5 | 5 | ||||
| NDM | 8 | 9.1 | 8 | 8 | ||||
| OXA-48 | 26 | 29.5 | 25 | 25 | 1 | 1 | ||
| VIM | 1 | 1.1 | 1 | 1 | ||||
| pos. | 42 | 47.7 | 41 | 41 | 1 | 1 | ||
| neg. | 46 | 52.3 | 24 | 2 | 22 | 0 | ||
| Escherichia coli (43) | IMP | |||||||
| KPC | ||||||||
| NDM | 7 | 16.3 | 7 | 7 | ||||
| OXA-48 | 13 | 30.2 | 12 | 12 | 1 | 1 | ||
| VIM | 1 | 2.3 | 1 | 1 | ||||
| pos. | 21 | 48.8 | 20 | 20 | 1 | 1 | ||
| neg. | 22 | 51.2 | 12 | 1 | 10 | 0 | ||
| Enterobacter cloacae(72) | IMP | |||||||
| KPC | ||||||||
| NDM | ||||||||
| OXA-48 | 3 | 4.2 | 3 | 3 | ||||
| VIM | 1 | 1.4 | 1 | 1 | ||||
| pos. | 4 | 5.6 | 4 | 4 | ||||
| neg. | 68 | 94.4 | 48 | 0 | 20 | 0 | ||
| Other Enterobacteriaceae(80) | IMP | |||||||
| KPC | ||||||||
| NDM | 1 | 1.3 | 1 | 1 | ||||
| OXA-48 | ||||||||
| VIM | 2 | 2.5 | 1 | 1 | 1 | 1 | ||
| pos. | 3 | 3.8 | 2 | 2 | 1 | 1 | ||
| neg. | 77 | 96.3 | 17 | 0 | 60 | 0 | ||
| All Enterobacteriaceae (283) | IMP | 2 | 0.7 | 2 | 2 | |||
| KPC | 5 | 1.8 | 5 | 5 | ||||
| NDM | 16 | 5.7 | 16 | 16 | ||||
| OXA-48 | 42 | 14.8 | 40 | 40 | 2 | 2 | ||
| VIM | 5 | 1.8 | 4 | 4 | 1 | 1 | ||
| pos. | 70 | 24.7 | 67 | 67 | 3 | 3 | ||
| neg. | 213 | 75.3 | 101 | 3 | 112 | 0 | ||
N, total number of isolates
n, number of isolates within the MIC-category