Table 2. Carbapenem inactivation method and CDT for CPE isolates (n=79).
| Clinical isolates (n=79) | Carbapenemase | No. of isolates with a positive result/no. of isolates tested | |
|---|---|---|---|
| mCIM + eCIM | CDT | ||
| Klebsiella pneumoniae [38] | KPC | 38/38 | 38/38 |
| Klebsiella pneumoniae [1] | NDM | 1/1 | 1/1 |
| Klebsiella pneumoniae [2] | IMP | 2/2 | 2/2 |
| Klebsiella pneumoniae [1] | NDM + IMP | 1/1 | 1/1 |
| Escherichia coli [22] | NDM | 22/22 | 22/22 |
| Enterobacter cloacae [3] | NDM | 3/3 | 3/3 |
| Enterobacter cloacae [1] | VIM | 1/1 | 1/1 |
| Klebsiella oxytoca [3] | NDM | 3/3 | 3/3 |
| Klebsiella oxytoca [2] | KPC + NDM | 0/2 | 0/2 |
| Klebsiella oxytoca [3] | IMP | 3/3 | 2/3 |
| Citrobacter freundii [2] | NDM | 2/2 | 2/2 |
| Providencia rettgeri [1] | NDM | 1/1 | 1/1 |
CDT, combined disk test; CPE, carbapenemase-producing Enterobacteriaceae; mCIM, modified carbapenem inactivation method; eCIM, EDTA-carbapenem inactivation method.