Table 2.
The MIC ranges of susceptible and non-susceptible isolates along with the MIC50and MIC90of colistin, ceftolozane/tazobactam, imipenem, and Levofloxacin
| Number of Isolates | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Minimum Inhibitory concentration (µg/ml) | 0.5 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | MIC50 | MIC90 |
| Colistin (CT) | 0 | 0 | 6 | 35 | 6* | 1* | 4* | 0 | 0 | 0 | 0 | 4 | 8 |
| Imipenem (IMP) | 0 | 3 | 4 | 7 | 1* | 11* | 6* | 2* | 2* | 9* | 7* | 16 | 512 |
| Levofloxacin (LEV) | 3 | 12 | 2* | 5* | 8* | 1* | 6* | 15* | 0 | 0 | 0 | 8 | 64 |
| Ceftolozane/Tazobactam (C/T) | 0 | 24 | 0 | 0 | 1* | 10* | 2* | 3* | 12* | 0 | 0 | 16 | 128 |
* Non-susceptible