Table 2 Differences in clinical characteristics between patients with K. pneumoniae, K variicola, and K. quasipneumoniae bloodstream infections

Age, median, years

74

72

81

77

Age > 80 years

29

(27.4)

15

(19.2)

11

(57.9)

3

(33.3)

<0.005

*

Male sex

74

(69.8)

53

(67.9)

15

(78.9)

6

(66.7)

0.68

Comorbidities

0.0

 Diabetes mellitus

29

(27.4)

20

(25.6)

7

(36.8)

2

(22.2)

0.61

 Malignancy

45

(42.5)

29

(37.2)

9

(47.4)

7

(77.8)

<0.05

*

 Liver cirrhosis

11

(10.4)

9

(11.5)

2

(10.5)

0

(0)

0.87

 Collagen disease

8

(7.5)

8

(10.3)

0

(0)

0

(0)

0.36

 Chronic kidney disease

4

(3.8)

4

(5.1)

0

(0)

0

(0)

0.71

 Pulmonary disease

4

(3.8)

4

(5.1)

0

(0)

0

(0)

0.71

 Mental disorder

7

(6.6)

5

(6.4)

2

(10.5)

0

(0)

0.80

 Immunosuppressive drug

14

(13.2)

12

(15.4)

2

(10.5)

0

(0)

0.64

 Neutropenia

7

(6.6)

5

(6.4)

1

(5.3)

1

(11.1)

0.80

 Pneumonia

6

(5.7)

5

(6.4)

1

(5.3)

0

(0)

1.00

 Skin and soft tissue

4

(3.8)

4

(5.1)

0

(0)

0

(0)

0.70

 Abdominal

39

(36.8)

27

(34.6)

9

(47.4)

3

(33.3)

0.40

 Urinary tract

31

(29.2)

26

(33.3)

2

(10.5)

3

(33.3)

0.14

 Liver abscess

7

(6.6)

5

(6.4)

2

(10.5)

0

(0)

0.79

 Hospital-acquired infection

56

(52.8)

41

(52.6)

10

(52.6)

5

(55.6)

1.00

 Appropriate antibiotic therapy within 24 h

101

(95.3)

75

(96.2)

17

(89.5)

9

(100)

0.52