Table 3 Microbiological characteristics of K. pneumoniae from mechanically ventilated patients
Variable | No. of isolates n = 70 | Hypermucoviscosity | P value | |
|---|---|---|---|---|
Positive | Negative | |||
n = 14 | n = 56 | |||
No. (%) | No. (%) | |||
Capsular serotype | ||||
K1 | 2 | 2 (14.3) | 0 (0) | 0.038* |
K2 | 4 | 4 (28.6) | 0 (0) | 0.001* |
Virulence factors | ||||
rmpA | 12 | 12 (85.7) | 0 (0) | <0.001* |
aerobactin | 12 | 12 (85.7) | 0 (0) | <0.001* |
VAP due to K.pneumoniae | 43 | 14 (100) | 29 (51.7) | 0.001* |