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Distribution of β-lactamase gene variants among K. pneumoniae (n = 29).
| β-lactamase Type | bla variants | Number | Percentage |
|---|---|---|---|
| ESBLs (n = 29) | blaCTX-M-1 | 16 | 55.2 |
| blaSHV-12 | 9 | 31 | |
| blaSHV-28 | 9 | 31 | |
| blaCTX-M-15 | 8 | 27.6 | |
| blaCTX-M-8 | 3 | 10.3 | |
| blaSHV-40 | 3 | 10.3 | |
| blaTEM-25 | 3 | 10.3 | |
| blaTEM-52 | 3 | 10.3 | |
| blaSHV-41 | 1 | 3.4 | |
| AmpC β-lactamases (n = 7) | blaCYM-2 | 7 | 100 |
| Carbapenemases (n = 22) | blaNDM-1 | 11 | 50 |
| blaNDM-5 | 6 | 27.3 | |
| blaIMP | 4 | 18.2 | |
| blaOXA-48 | 2 | 9.1 | |
| blaNDM-7 | 1 | 4.5 |
