TABLE 2.
Virulence characteristics of 575 carbapenem-resistant K. pneumoniae isolates
| Isolate type | No. of isolates | % prevalence |
Kleborate virulence score |
||||||
|---|---|---|---|---|---|---|---|---|---|
| ybt | clb | iuc | iro | rmp/rmp2 | Mean | Median | Range | ||
| All isolates | 575 | 46.4 | 2.4 | 10.3 | 3.7 | 4.5 | 0.8 | 0 | 0 to 5 |
| KPC | 235 | 18.7 | 4.7 | 6.8 | 6.8 | 6.4 | 0.4 | 0 | 0 to 5 |
| OXA | 128 | 88.3 | 0 | 23.4 | 0 | 3.9 | 1.6 | 1 | 0 to 4 |
| NDM | 93 | 58.1 | 3.2 | 6.5 | 4.3 | 5.4 | 0.8 | 1 | 0 to 4 |
| IMP | 6 | 16.7 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 to 1 |
| Dual carbapenemase | 35 | 74.3 | 0 | 14.3 | 0 | 0 | 1.2 | 1 | 0 to 4 |
| No carbapenemase | 78 | 37.2 | 0 | 2.6 | 1.3 | 1.3 | 0.5 | 0 | 0 to 4 |
| Clinical isolates | 443 | 54.0 | 2.7 | 12.4 | 3.8 | 5.0 | 0.9 | 1 | 0 to 5 |
| Surveillance isolates | 132 | 21.2 | 1.5 | 3.0 | 3.0 | 3.0 | 0.3 | 0 | 0 to 5 |