Table 1.
Results of MIC of test isolates against carbapenems (Interpreted as per CLSI guidelines 2017)
| Antibiotics | MIC range examined (μg ml− 1) | No. (%) of isolates above the breakpoint (N = 35) |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| < 0.25 | 0.25 | 0.5 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | > 512 | ||
| Meropenem | 12 | – | – | 2 | 1 | 1 | 1 | 4 | 2 | 6 | 1 | 1 | – | 4 | 60 (n = 21) |
| Ertapenem | 4 | – | 1 | 5 | 1 | 3 | – | – | 3 | 6 | 3 | 5 | 2 | 3 | 88.6(n = 31) |
| Imipenem | 8 | – | 1 | 7 | 7 | – | 3 | 3 | 3 | 4 | 3 | 2 | 1 | 1 | 77 (n = 27) |
N Total number of isolates, n Total number of isolates above the break point
Break point: Ertapenem > 2 μg/ml, imipenem > 4 μg/ml, Meropenem > 4 μg/ml