Table 2.
The virulence factors and carbapenamase types in the colistin-resistant K. pneumoniae ST101 and ST395 clones.
| Mucoid Type and Capsule n (%) |
Iron Metabolism n (%) |
Adhesins n (%) |
LPS n (%) |
Allantoin n (%) | Carbapenemase n (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rmpA | magA | K2wzy | K5wzx | fyuA | kfu | IutA | ybtS | entB | mrkD | fimH | wabG | allS | OXA-48 | NDM-1 | |
| ST101 n = 80 |
71 (89) |
6 (8) |
31 (39) |
0 | 79 (99) |
79 (99) |
4 (5) |
79 (99) |
80 (100) |
79 (99) |
79 (99) |
80 (100) |
0 | 76 (95) |
3 (4) |
| p | 0.005 | 1 | 0.707 | - | 0.553 | <0.001 | 0.285 | <0.001 | 0.059 | 0.024 | 0.365 | - | p = 0.00 | p < 0.001 | |
| ST395 n = 16 |
14 (88) |
0 | 9 (56) |
0 | 15 (94) |
15 (94) |
1 (6) |
15 (94) |
15 (100) |
15 (94) |
16 (100) |
16 (100) |
0 | 5 (31) |
14 (88) |
| p | 0.194 | 0.565 | 0.401 | - | 1 | 0.012 | 1 | 0.012 | 1 | 0.315 | 1 | - | p = 0.002 | p < 0.001 | |
| Others n = 46 * |
32 (68) |
23 (49) |
20 (43) |
0 | 45 (96) |
28 (60) |
5 (11) |
28 (60) |
47 (100) |
43 (92) |
42 (89) |
46 (98) |
0 | 36 (77) |
14 (30) |
* Non ST101 and NonST395 ColR-Kp. p < 0.05 was accepted as statistically significant.