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Table 3 30-day mortality in relation to patient characteristics prior to infection

From: Epidemiology and outcome of Staphylococcus aureus bloodstream infection and sepsis in a Norwegian county 1996–2011: an observational study

   

Age- and sex-adjusted

Characteristic

No. of deaths within 30 days

30-day mortality within category (%)

Odds ratio

95% CI

p

Mortality risk (%)

95% CI (%)

Age (years)

       

<60

11

13.6

1

Reference

 

13.6

7.7-23.0

60-69

15

25.9

2.21

0.93-5.26

0.07

25.9

16.2-38.6

70-79

27

24.8

2.09

0.97-4.52

0.06

24.8

17.6-33.8

≥80

49

39.4

4.04

1.95-8.40

<0.001

38.9

30.8-47.8

p for trend

    

<0.001

  

Sex

       

Male

57

25.3

1

Reference

 

25.9

19.4-30.9

Female

45

30.4

1.21

0.75-1.94

0.43

29.5

21.6-36.4

Charlson Comorbidity Index (CCI)

       

0

11

12.9

1

Reference

 

13.7

7.0-21.8

1-2

41

25.6

2.13

1.02-4.48

0.05

24.8

17.6-31.0

≥3

50

39.1

4.29

2.01-9.14

<0.001

39.1

30.0-47.6

p for trend

    

<0.001

  

Comorbidities$

       

Malignant disease

26

27.1

0.97

0.57-1.66

0.91

26.9

17.8-35.5

Renal failure

19

42.2

2.18

1.11-4.27

0.02

41.5

27.1-56.3

Diabetes mellitus

21

29.2

0.99

0.56-1.80

>0.99

27.3

17.2-37.5

Hypertension

36

31.6

1.15

0.69-1.91

0.6

29.1

20.3-37.3

Cardiovascular disease

51

33.1

1.29

0.78-2.11

0.32

30.0

22.0-37.2

Heart failure

20

50.0

2.4

1.21-4.80

0.01

43.8

28.7-59.5

Chronic pulmonary disease

25

40.3

2.01

1.12-3.62

0.02

39.2

27.0-51.4

Rheumatic disease

15

38.5

1.84

0.90-3.78

0.09

38.5

23.6-54.3

  1. $Those not having the condition in question were used as reference category for each individual comorbidity studied in this analysis.