Table 4. Characterization of CRE group and comparative CSE group isolates in this study.
| Isolate no. | Species | ST | Serotype | Virulence* | MIC (mg/L) | |||
|---|---|---|---|---|---|---|---|---|
| Imipenem | Meropenem | Ertapenem | Colistin | |||||
| Carbapenem-resistant group (n = 10) | ||||||||
| R16 | K. pneumoniae | ST11 | K47 | H | >32 | >16 | >4 | ≤1 |
| R7 | K. pneumoniae | ST11 | K47 | H | >32 | >16 | >4 | ≤1 |
| R17 | K. pneumoniae | ST11 | K47 | H | >32 | >16 | >4 | ≤1 |
| R2 | K. pneumoniae | ST11 | K47 | H | >32 | >16 | >4 | ≤1 |
| R12 | K. pneumoniae | ST11 | K47 | H | >32 | >16 | >4 | ≤1 |
| R5 | K. pneumoniae | ST11 | K64 | H | >32 | >16 | >4 | ≤1 |
| R15 | K. pneumoniae | ST11 | K64 | M | >32 | >16 | >4 | ≤1 |
| R18 | K. pneumoniae | ST11 | K64 | H | >32 | >16 | >4 | ≤1 |
| R1 | E. coli | ST88 | / | L | ≤0.5 | 1 | >4 | ≤1 |
| R14 | E. cloacae | ST613 | / | L | 2 | 1 | 4 | >4 |
| Carbapenem-susceptible group (n = 12, for comparative purpose) | ||||||||
| S7 | K. pneumoniae | ST1764 | K64 | H | 1 | ≤0.12 | ≤0.06 | ≤1 |
| S3 | K. pneumoniae | ST412 | K57 | H | 1 | ≤0.12 | ≤0.06 | ≤1 |
| SR3 | K. pneumoniae | ST65 | K2 | H | ≤0.5 | ≤0.12 | ≤0.06 | ≤1 |
| S8 | K. pneumoniae | ST23 | K1 | H | 1 | ≤0.12 | ≤0.06 | ≤1 |
| SR6 | K. pneumoniae | ST23 | K1 | H | ≤0.5 | ≤0.12 | 0.12 | ≤1 |
| S2 | K. pneumoniae | ST23 | K1 | M | ≤0.5 | ≤0.12 | ≤0.06 | ≤1 |
| S1 | K. pneumoniae | ST23 | K1 | M | 1 | ≤0.12 | ≤0.06 | ≤1 |
| S4 | E. coli | ST131 | / | H | ≤0.5 | ≤0.12 | ≤0.06 | ≤1 |
| S5 | E. coli | ST131 | / | H | ≤0.5 | ≤0.12 | 0.12 | ≤1 |
| SR8 | E. coli | ST38 | / | H | ≤0.5 | ≤0.12 | 0.5 | ≤1 |
| SR13 | E. coli | ST2003 | / | H | ≤0.5 | ≤0.12 | 0.25 | ≤1 |
| SR4 | E. coli | ST648 | / | L | ≤0.5 | ≤0.12 | 0.12 | 2 |
*: H: high; M: medium; L: low.