TABLE 2.
Virulence genes and capsular serotypes of pks-positive K. pneumoniae
| Virulence factors | No. (%) of isolates |
P valuea | |
|---|---|---|---|
| pks positive (n = 38) | pks negative (n = 57) | ||
| Virulence genes | |||
| peg-344 | 34 (89.4) | 21 (36.8) | <0.001* |
| rmpA | 34 (89.4) | 21 (36.8) | <0.001* |
| rmpA2 | 32 (84.2) | 20 (35.0) | <0.001* |
| iucA | 35 (92.1) | 23 (40.3) | <0.001* |
| iroB | 34 (89.4) | 21 (36.8) | <0.001* |
| Capsular serotypes | |||
| K1 | 18 (47.4) | 1 (1.5) | <0.001* |
| K2 | 7 (18.4) | 4 (7.0) | 0.169 |
| K5 | 1 (2.6) | 4 (7.0) | 0.639 |
| K20 | 2 (5.3) | 1 (1.7) | 0.719 |
| K54 | 0 (0.0) | 1 (1.7) | 1.000 |
| K57 | 3 (7.9) | 4 (7.0) | 1.000 |
| NAb | 7 (18.4) | 42 (73.6) | <0.001* |
a
A P value of <0.05 was considered to be statistically significant (*).
b
NA, not applicable.