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Table 1 Mean value of biomarkers, analytical (CVA), intra-individual (CVI), and inter-individual (CVG) components of variation for eighteen serum biomarkers

From: Biological variation of immunological blood biomarkers in healthy individuals and quality goals for biomarker tests

  

Weighted

 

CV I (%)

CV G (%)

Biomarker (unit)

Mean

CV A (%)

Male

Female

Both

Male

Female

Both

Group I

IL-1β (pg/mL)

0.157

4.0a

38.0

22.0

30.9

NCb

42.0

27.0

IL-6 (pg/mL)

0.961

6.4

23.0

20.0

21.5

33.0

19.0

26.4

IL-1Ra (pg/mL)

419.0

6.0

15.0

17.3

17.0

42.0

37.7

43.0

IFN-γ (U/L)

278

13.5

29.0

34.0

31.0

10.8

33.0

22.0

TNF-α (pg/ml)

12.63

8.2

7.9

14.2

12.7

24.3

31.7

27.2

Group II

IL-8 (pg/mL)

12.16

3.5a

24.0

61.6

51.4

32.0

28.0

30.2

MIP-1β (pg/mL)

101.0

4.5

18.0

22.0

20.0

22.0

82.0

57.0

RANTES (ng/mL))

32.71

3.2

27.0

23.0

24.0

51.0

30.0

39.0

Group III

Adiponectin (μg/mL)

6.29

3.7

12.0

17.0

15.9

49.0

42.0

48.1

Leptin (ng/mL)

7.66

7.1

18.0

31.0

31.0

66.0

50.0

68.0

Group IV

sCD14 (ng/mL)

1435.0

2.8

8.8

7.6

8.0

16.0

6.1

11.4

sCD40L (ng/mL)

6.02

3.0

14.5

12.7

13.2

18.4

12.8

14.6

sCD163 (ng/mL)

543.0

9.5

6.8

6.5

9.0

64.9

50.2

53.8

sgp130 (ng/mL)

281.0

4.8

4.4

7.5

7.0

12.5

10.4

15.0

 

sIL-2Rα (pg/mL)

796.0

3.6

9.0

19.0

15.1

34.0

49.0

41.7

sIL-6R (ng/mL)

31.77

3.0a

18.2

12.9

16.3

18.5

18.9

20.3

sTNF-RII (ng/mL)

2.17

10.1

17.6

15.8

17.4

36.0

25.9

28.9

Group V

Neopterin (nmol/L)

5.20

6.4

14.5

64.0

35.0

69.4

14.0

37.0

  1. a: CVA calculated from 5 duplicated and two level assay control samples, b: not calculable (NC)