Table 2.
Summary of genotypic and phenotypic characteristics of 106 Gram-negative bacterial isolates tested in this study.
| Bacterial species tested (Carbapenemases) | Meropenem MIC(μg/ml) | No. of isolates | No. of positive Modified Hodge Test (MHT) |
|
|---|---|---|---|---|
|
Pseudomonas aeruginosa PAO1 |
Escherichia coli ATCC25922 |
|||
|
P. aeruginosa blaIMP blaKPC Not Detected |
≥32 ≥32 16 – ≥32 |
3 1 28 |
3 1 7 |
3 0 2† |
|
P. otitidis blaPOM |
16 – ≥32 | 4 | 4 | 0 |
|
Acinetobacter baumannii blaOXA-51like ISAba1+ blaOXA-51like blaOXA-51/23like blaOXA-51/24like blaOXA-51like + blaNDM |
<0.5 8 8 – ≥32 ≥32 ≥32 |
14∗ 3 49 1 1 |
0 3 43 1 1 |
0 0 16† 0 0 |
|
Enterobacter cloacae blaNDM + blaKPC |
16 | 1 | 1 | 1 |
|
E. coli blaNDM |
16 | 1 | 1 | 0 |
| Total | 106 | 63 | 22 | |