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Table 1 Summary of bacterial characteristics for K. pneumoniae, K. variicola, and K. quasipneumoniae isolates

From: Clinical characteristics in blood stream infections caused by Klebsiella pneumoniae, Klebsiella variicola, and Klebsiella quasipneumoniae: a comparative study, Japan, 2014–2017

 

Total = 119

K. pneumoniae = 87

K. variicola = 21

K. quasipneumoniae = 11

p-value

n

%

n

%

n

%

n

%

K1

16

(13.5)

15

(17.2)

0

(0)

1

(9.1)

0.09

 

K2

13

(10.9)

12

(13.8)

1

(4.8)

0

(0)

0.32

 

rmpA

29

(24.4)

29

(33.3)

0

(0)

0

(0)

<0.001

*

iutA

32

(26.9)

32

(36.8)

0

(0)

0

(0)

< 0.001

*

ybtS

45

(37.8)

41

(47.1)

4

(19.0)

0

(0)

<0.001

*

entB

108

(90.8)

85

(97.7)

19

(90.5)

4

(36.4)

< 0.001

*

kfu

45

(37.8)

26

(29.9)

19

(90.5)

0

(0)

< 0.001

*

allS

28

(23.5)

21

(24.1)

1

(4.8)

6

(54.5)

< 0.01

*

mrkD

118

(99.2)

86

(98.9)

21

(100.0)

11

(100.0)

1.00

 

Hypermucoviscous phenotype

25

(21.0)

22

(25.3)

2

(9.5)

1

(9.1)

0.24

 

ESBL-producing

3

(2.5)

2

(2.3)

1

(4.8)

0

(0)

0.61

 
  1. *Asterisk indicates a statistical significant difference among the groups