Table 2.
Molecular characteristics of the 22 tigecycline non-susceptible K. pneumoniae isolates with ceftriaxone or ceftazidime (MIC >1 mg/L)
| Isolate | Tigecycline MIC | Ertapenem MIC | TEM | SHV | CTX-M | DHA-1 |
|---|---|---|---|---|---|---|
| 1 |
3 |
<0.5 |
— |
SHV-1 |
— |
+ |
| 2 |
3 |
<0.5 |
— |
SHV-12 |
— |
+ |
| 3 |
3 |
8 |
— |
-a |
— |
— |
| 4 |
3 |
<0.5 |
TEM-1 |
SHV-11 |
— |
— |
| 5 |
4 |
<0.5 |
TEM-1 |
SHV-11 |
CTXM-15 |
+ |
| 6 |
4 |
2 |
— |
SHV-1 |
CTXM-15 |
+ |
| 7 |
4 |
<0.5 |
— |
SHV-12 |
— |
+ |
| 8 |
4 |
<0.5 |
— |
SHV-31 |
— |
+ |
| 9 |
4 |
<0.5 |
TEM-1 |
SHV-2 |
— |
— |
| 10 |
4 |
1 |
TEM-1 |
SHV-1 |
CTXM-15 |
+ |
| 11 |
6 |
8 |
— |
SHV-2 |
— |
+ |
| 12 |
6 |
4 |
— |
SHV-1 |
— |
+ |
| 13 |
6 |
<0.5 |
TEM-1 |
SHV-1 |
CTXM-15 |
+ |
| 14 |
6 |
<0.5 |
TEM-1 |
SHV-1 |
CTXM-15 |
+ |
| 15 |
6 |
<0.5 |
TEM-1 |
SHV-11 |
— |
+ |
| 16 |
6 |
1 |
TEM-1 |
SHV-11 |
— |
+ |
| 17 |
8 |
1 |
TEM-1 |
SHV-11 |
CTXM-14 |
+ |
| 18 |
8 |
<0.5 |
— |
SHV-12 |
— |
+ |
| 19 |
8 |
<0.5 |
— |
—a |
— |
+ |
| 20 |
8 |
8 |
— |
SHV-31 |
— |
— |
| 21 |
16 |
<0.5 |
— |
SHV-11 |
— |
+ |
| 22 | 32 | <0.5 | TEM-1 | SHV-11 | — | + |
aThe result showed OPK-B.