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Table 1 Patient’s characteristics

From: Vitamin D deficiency in community-acquired pneumonia: low levels of 1,25(OH)2 D are associated with disease severity

Parameter

No pathogen detected (n = 101)

Influenza (n = 50)

Legionella (n = 49)

Streptococcus pneumonia (n = 100)

ANOVA resp. Fishers exact test

  

n

 

n

 

n

 

n

Test statistic

p value

Age (mean, SD)

59.43

15.9

60.13

17.8

62.65

16.7

57.41

17.0

F3,296 = 1.12

0.3403

Sex (male % n)*

61.4%

62

52.0%

26

71.4%

35

49.0%

49

 

0.0437

Active smoker

40.6%

41

38.0%

19

36.7%

18

43.0%

43

 

0.8855

Heart insufficiency

11.9%

12

12.0%

6

20.4%

10

11.1%

11

 

0.4435

Cerebrovascular co-morbidity

5.1%

5

10.0%

5

2.0%

1

7.0%

7

 

0.3649

Diabetes mellitus

13.9%

14

10.0%

5

22.4%

11

13.0%

13

 

0.3454

Respiratory co-morbidity

33.0%

33

30.0%

15

38.8%

19

32.0%

32

 

0.8059

Hepatic co-morbidity*

0.0%

0

2.0%

1

6.1%

3

7.0%

7

 

0.0167

Renal co-morbidity

5.0%

5

6.0%

3

12.2%

6

6.0%

6

 

0.4034

Vaccination with the 23 PPV

14.3%

14

10.0%

5

14.3%

7

6.1%

6

 

0.1158

Vaccination with the TIV

38.4%

38

32.0%

16

37.5%

18

23.5%

23

  

From nursing home

3.0%

3

2.0%

1

0.0%

0

4.0%

4

  

CURB-index

         

0.2829

0

56.0%

42

50.0%

21

55.6%

20

38.7%

29

  

1

32.0%

24

38.1%

16

33.3%

12

52.0%

39

  

2

10.7%

8

11.9%

5

8.3%

3

9.3%

7

  

3

1.3%

1

0.0%

0

2.8%

1

0.0%

0

  

Hospitalization

58.2%

57

65.3%

32

75.5%

37

71.1%

69

 

0.1259

180 day mortality

7.1%

7

4.1%

2

6.4%

3

1.0%

1

 

0.1154

30 day mortality

1.0%

1

2.1%

1

2.1%

1

0.0%

0

  

Deficient/insufficient/sufficient

74.3/16.8/8.9%

75/17/9

92.0/2.0/6.0%

46/1/3

77.6/22.4/0%

38/11/0

82.3/12.7/5.0%

87/9/3

  

D3 25 OH [ng/ml] (mean ± SD)**

16.2 ± 9.0

11.3 ± 9.7

14.1 ± 7.1

12.9 ± 7.4

F3,295 = 6.66

0.0002

D3 1,25 OH2 [pg/ml] (mean ± SD)***

51.5 ± 24.6

54.5 ± 37.6

52.4 ± 38.4

42.4 ± 23.0

F3,295 = 2.43

0.0651

CRP [mg/l] (mean ± SD)*

105.2 ± 108.7

65.1 ± 70.1

136.2 ± 142.7

192.7 ± 150.3

F3,274 = 10.69

<0.0001

  1. All values are displayed as percentage and absolute number within the columns if not stated otherwise.
  2. All differences did not reach statistically significance except *.
  3. **ANOVA was conducted using the transformed D 25-OH and D3 1,25-OH values, respectively.
  4. Values for “from nursing home” and “30 day mortality” were too small for statistical analysis.