Table 1.
Baseline characteristics for the 509 K. pneumoniae study isolates.
| Characteristic | N | % |
|---|---|---|
| Region | ||
| Centre | 20 | 3.9 |
| South | 428 | 84.1 |
| North | 61 | 12.0 |
| Collection dates | ||
| 1980–1982 | 46 | 9.0 |
| 1990–1999 | 13 | 2.6 |
| 2000–2009 | 169 | 33.2 |
| 2010–2019 | 281 | 55.2 |
| Sequence type (ST) | ||
| ST15 | 161 | 31.6 |
| ST147 | 36 | 7.1 |
| ST13 | 26 | 5.1 |
| ST14 | 26 | 5.1 |
| ST348 | 22 | 4.3 |
| ST307 | 20 | 3.9 |
| ST11 | 19 | 3.7 |
| ST231 | 16 | 3.1 |
| ST70 | 16 | 3.1 |
| ST45 | 12 | 2.4 |
| Other** | 155 | 30.5 |
| Inferred O serotypes | ||
| O1 | 329 | 64.6 |
| O2 | 112 | 22.0 |
| O3b | 17 | 3.3 |
| O4 | 13 | 2.6 |
| O5 | 13 | 2.6 |
| OL101 | 12 | 2.4 |
| Unknown | 10 | 2.0 |
| O3/O3a | 3 | 0.6 |
| Inferred K serotypes | ||
| KL24 | 96 | 16.7 |
| KL112 | 71 | 14.8 |
| KL64 | 35 | 7.1 |
| KL62 | 32 | 6.4 |
| KL3 | 26 | 5.6 |
| Other | 249 | 49.4 |
| Carbapenemases and carbapenem-hydrolyzing beta-lactamases | ||
| None | 395 | 77.6 |
| KPC-3 | 101 | 19.8 |
| OXA-181 | 6 | 1.2 |
| GES-5; KPC-3 | 5 | 1.0 |
| OXA-48 | 1 | 0.2 |
| GES-5 | 2 | 0.4 |
| NDM-1 | 2 | 0.4 |
| Aminoglycoside resistance genotypes | ||
| AAC(3)-II; APH(3')-I; APH(6)-I; | 154 | 30.3 |
| AAC(6')-I; ANT(3'')-I; APH(3')-I; APH(6)-I; | 64 | 12.6 |
| APH(3')-I; APH(6)-I; | 33 | 6.5 |
| AAC(3)-II; ANT(3'')-I; APH(3')-I; APH(6)-I; | 30 | 5.9 |
| ANT(3'')-I; | 26 | 5.1 |
| AAC(3)-II; AAC(6')-I; ANT(3'')-I; APH(3')-I; APH(6)-I; | 24 | 4.7 |
| AAC(3)-II; | 19 | 3.7 |
| AAC(6')-I; ANT(3'')-I; | 18 | 3.5 |
| AAC(3)-II; AAC(6')-I; ANT(3'')-I; | 10 | 2.0 |
| ANT(3'')-I; APH(3')-I; APH(6)-I; | 9 | 1.8 |
| AAC(3)-II; ANT(3'')-I; | 8 | 1.6 |
| AAC(3)-II; ANT(3'')-I; APH(3')-I; | 8 | 1.6 |
| AAC(3)-II; APH(3')-I; | 8 | 1.6 |
**Includes ST1138 with 7 isolates.