Table 3.
MLST, K serotype, virulence genes and drug resistance genes, of pks-positive isolates of K. pneumoniae.
| Characteristics (n, %) | pks-Positive | COK (n = 79) | HAK (n = 38) | P value |
|---|---|---|---|---|
| MLST | ||||
| ST23 | 78 | 54 (68.4) | 24 (63.1) | 0.6760 |
| ST65 | 20 | 13 (16.5) | 7 (18.4) | 0.7975 |
| Others | 18 | 11 (13.9) | 7 (18.4) | 0.5878 |
| Unknown | 1 | 1 (1.3) Δ | 0 (0) | >0.9999 |
| K serotype | ||||
| K1 | 81 | 58 (73.4) | 23 (60.5) | 0.1999 |
| K2 | 25 | 16 (20.3) | 9 (23.7) | 0.8100 |
| Others | 6 | 3 (3.8) | 3 (7.9) | 0.3884 |
| Not defined | 5 | 2 (2.5) | 3 (7.9) | 0.3274 |
| Virulence genes | ||||
| iroN | 103 | 73 (92.4) | 30 (78.9) | 0.0638 |
| iucA | 106 | 73 (92.4) | 33 (86.8) | 0.3330 |
| rmpA | 85 | 58 (73.4) | 27 (71.1) | 0.8266 |
| ybtA | 117 | 79 (100.0) | 38 (100.0) | NA |
| mrkD | 115 | 77 (97.5) | 38 (100.0) | >0.9999 |
| allS | 81 | 57 (72.2) | 24 (63.2) | 0.3932 |
| Drug resistance genes (ESBL) | ||||
| blaCTX−M−55 | 3 | 1 (1.3) | 2 (5.2) | 0.2459 |
| blaCTX−M−15 | 2 | 2 (2.5) | 0 (0) | >0.9999 |
| blaCTX−M−3 | 2 | 0 (0) | 2 (5.2) | 0.1036 |
| blaCTX−M−14 | 5 | 3 (3.8) | 2 (5.2) | 0.6592 |
| blaCTX−M−104 | 1 | 1 (1.3) | 0 (0) | >0.9999 |
| blaSFO−1 | 1 | 0 (0) | 1 (2.6) | 0.3248 |
∆ ST of COK15 phoE: 28 (A53G)