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Table 3 Microbiological characteristics of K. pneumoniae from mechanically ventilated patients

From: Clinical and molecular characteristics of Klebsiella pneumoniae ventilator-associated pneumonia in mainland China

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*
  1. Values given as No. (%) of patients
  2. * P < 0.05 was considered to be statistically significant