Table 2.
The results of the Carba NP test for Enterobacteriaceae isolates (34 carbapenemase producers and 10 carbapenemase non-producers) cultivated on a set of microbial media
| Microbiological media | Manufacturer | VIM; n = 7a | IMP; n = 1a | NDM; n = 11a | KPC; n = 9a | OXA-48; n = 6a | c-npb; n = 10a | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| + | +/− | − | NG (NI) | + | NG | + | +/− | − | NG (NI) | + | NG | + | +/− | − | NG | + | +/− | − | NG (NI) | ||
| Columbia blood agar | BD | 7 | 1 | 10 | (1) | 9 | 6 | 10 | |||||||||||||
| chromID CPS agar | bioMérieux | 7 | 1 | 11 | 9 | 6 | 10 | ||||||||||||||
| CHROMagar Orientation Medium | BD | 7 | 1 | 11 | 9 | 6 | 1 | 9 | |||||||||||||
| Brilliance UTI agar | Oxoid | 7 | 1 | 11 | 9 | 5 | 1 | 3 | 7 | ||||||||||||
| Brilliance UTI Clarity agar | Oxoid | 7 | 1 | 11 | 9 | 5 | 1 | 3 | 7 | ||||||||||||
| Brilliance ESBL agar | Oxoid | 6 | (1) | 1 | 10 | (1) | 9 | 3 | 1 | 2 | 1 | 9 | |||||||||
| chromID ESBL agar | bioMérieux | 7 | 1 | 11 | 9 | 5 | 1 | 9 | 1 | ||||||||||||
| Brilliance CRE agar | Oxoid | 6 | 1 | 1 | 11 | 8 | 1 | 2 | 1 | 3 | 2 | 8 | |||||||||
| chromID CARBA agar | bioMérieux | 3 | 2 | 2 | 1 | 10 | 1 | 9 | 5 | 1 | 7 | 3 | |||||||||
| KPC CHROM agar | GRASO | 7 | 1 | 11 | 9 | 5 | 1 | 2 | 1 | 6 | 1 | ||||||||||
| chromID OXA-48 agar | bioMérieux | 7 | 1 | 1 | 10 | 9 | 6 | 10 | |||||||||||||
| MH | BD | 7 | 1 | 10 | 1 | 9 | 6 | 2 | 7 | (1) | |||||||||||
| MHE | bioMérieux | 7 | 1 | 10 | 1 | 9 | 6 | 8 | (2) | ||||||||||||
| MHF | bioMérieux | 1 | 6 | 1 | 2 | 3 | 6 | 9 | 6 | 10 | |||||||||||
| MH | Oxoid | 7 | 1 | 11 | 9 | 5 | 1 | 3 | (7) | ||||||||||||
| MH | GRASO | 7 | 1 | 11 | 9 | 6 | 1 | 6 | (3) | ||||||||||||
| MH | Liofilchem | 7 | 1 | 10 | 1 | 9 | 6 | 9 | (1) | ||||||||||||
| MH | Bio-Rad | 5 | 2 | 1 | 2 | 3 | 6 | 9 | 6 | 1 | 1 | 8 | |||||||||
a+, positive; +/−, questionable; −, negative; (NI), not interpretable; NG, no growth
bc-np, carbapenemase-non-producers