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Table 3 Differences in clinical characteristics between patients with hospital-acquired and community-acquired bloodstream infections

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

Characteristics of patients

Total = 106

Hospital = 56

Community = 50

p-value

n

%

N

%

n

%

Age, median, years

74

 

72

 

75.5

   

Male sex

74

(69.8)

43

(76.8)

31

(62.0)

0.14

 

Age > 80 years

29

(27.4)

12

(21.4)

17

(34.0)

0.19

 

Comorbidities

 Diabetes mellitus

29

(27.4)

13

(23.2)

16

(32.0)

0.38

 

 Malignancy

45

(42.5)

30

(53.6)

15

(30.0)

< 0.05

*

 Liver cirrhosis

11

(10.4)

7

(12.5)

4

(8.0)

0.53

 

 Collagen disease

8

(7.5)

3

(5.4)

5

(10.0)

0.47

 

 Chronic kidney disease

4

(3.8)

1

(1.8)

3

(6.0)

0.34

 

 Pulmonary disease

4

(3.8)

1

(1.8)

3

(6.0)

0.34

 

 Mental disorder

7

(6.6)

4

(7.1)

3

(6.0)

1.00

 

 Immunosuppressive drug

14

(13.2)

6

(10.7)

8

(16.0)

0.57

 

 Neutropenia

7

(6.6)

5

(8.9)

2

(4.0)

0.44

 

Source of infection

 Pneumonia

6

(5.7)

1

(1.8)

5

(10.0)

0.10

 

 Skin and soft-tissue

4

(3.8)

2

(3.6)

2

(4.0)

1.00

 

 Abdominal

39

(36.8)

18

(32.1)

21

(42.0)

0.32

 

 Urinary tract

31

(29.2)

15

(26.8)

16

(32.0)

0.67

 

 Liver abscess

7

(6.6)

3

(5.4)

4

(8.0)

0.70

 

Other

 Appropriate antibiotic therapy within 24 h

101

(95.3)

52

(92.9)

49

(98.0)

0.37

 

Bacterial characteristics

K. pneumoniae

78

(73.6)

41

(73.2)

37

(74.0)

1.00

 

K. variicola

19

(17.9)

10

(17.9)

9

(18.0)

1.00

 

K. quasipneumoniae

9

(8.5)

5

(8.9)

4

(8.0)

1.00

 

 K1 serotype

15

(14.2)

7

(12.5)

8

(16.0)

0.78

 

 K2 serotype

13

(12.3)

6

(10.7)

7

(14.0)

0.77

 

 Hypermucoviscous phenotype

23

(21.7)

9

(16.1)

14

(28.0)

0.16

 

 ESBL-producing

3

(2.8)

3

(3.4)

0

(0)

0.38

 
  1. CRBSI Catheter-related bloodstream infection
  2. *Asterisk indicates a statistical significant difference among the groups