Table 1.
Genotype, antimicrobial resistance, plasmid incompatibility group, wzi type, and K-serotype of carbapenemase-producing K. pneumoniae isolates investigated in this study.
| Genotype | Number of Resistant Isolates (%) a | CTX-M-15 | Plasmid | wzi Type | K-Serotype | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IMI | MER | COL | AMP | CPM | CIP | GEN | AZT | SXT | P/T | TIG | |||||
| ST307 (18) | 18 (100) | 18 (100) | 0 | 18 (100) | 18 (100) | 18 (100) | 18(100) | 18 (100) | 18(100) | 18 (100) | 6 (33.3) | 18 (100) | FIIK7 (13) FIIK21 (5) IncN6 (1) |
173 (18) | KL102 (18) |
| ST11 (15) | 15 (100) | 15 (100) | 3 (20.0) | 15 (100) | 15 (100) | 15 (100) | 2 (13.3) | 15 (100) | 6 (40.0) | 15 (100) | 0 | 3 (20.0) | FIIK1 (1) FIIK2 (1) FIIK5 (2) FIIK6 (1) FIIK7 (3) FIIK15 (2) FIIK21 (3) FIIK23 (1) FIIY6 (1) |
14 (8) 50 (7) |
K14 (8) K51 (7) |
| ST789 (2) | 2 (100) | 2 (100) | 0 | 2 (100) | 2 (100) | 2 (100) | 0 | 2 (100) | 2 (100) | 2 (100) | 0 | 2 (100) | FIIK2 (2) | 18 (2) | K18 (2) |
| ST4681 (1) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | FIIK7 (1) | 173 (1) | KL102 (1) |
| ST11slv (1) | 1 (100) | 1 (100) | 0 | 1 (100) | 1 (100) | 1 (100) | 0 | 1 (100) | 0 | 1 (100) | 0 | 0 | ND b | 2 (1) | K2 (1) |
| Total (37) | 37 (100) |
37 (100) |
4 (10.8) |
37 (100) |
37 (100) |
37 (100) |
21 (56.9) |
37 (100) |
27 (73.0) |
37 (100) |
8 (21.6) |
24 (64.9) |
|||
a IMI, imipenem; MER, meropenem; COL, colistin; AMP, ampicillin; CPM, cefepime; CIP, ciprofloxacin; GEN, gentamicin; AZT, aztreonam; SXT, trimethoprim–sulfamethoxazole; P/T, piperacillin–tazobactam; TIG, tigecycline. b ND, not determined.