Table 4 Ability of the three automated systems in detection of the carbapenemase genotypes in the CRE isolates of this study
Carbapenemase genotypes | Number of isolates | |||||
|---|---|---|---|---|---|---|
Vitek-2 compact | MicroScan walkaway | Phoenix 100 | ||||
Positive | Negative | Positive | Negative | Positive | Negative | |
IMP-4 (n = 23) | 14 | 9 | 21 | 2 | 9 | 14 |
IMP-8 (n = 14) | 12 | 2 | 13 | 1 | 7 | 7 |
KPC-2 (n = 8) | 7 | 1 | 8 | 0 | 7 | 1 |
NDM-1 (n = 5) | 5 | 0 | 5 | 0 | 5 | 0 |