Skip to main content

Table 3 Analytical goals for imprecision, bias, total error allowable (TEa) for p < 0.01 and p < 0.05, reference change value (RCV), Reliability coefficient (R), indices of individuality (II), and index of heterogeneity (IH) for eighteen serum biomarkers

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

 

Biomarker

Analytical goals for precision (%)

bias (%)

TE a (%)

RCV(%)

R

II

IH

p < 0.01

p < 0.05

95

Group I

IL-1β

15.4

10.1

35.5

46.0

95.6

0.38

1.14

0.49

IL-6

10.6

8.5

26.2

33.6

66.6

0.55

0.85

0.35

IL-1Ra

8.5

11.6

25.6

31.4

52.7

0.84

0.42

0.28

IFN-γ

15.5

9.5

35.1

45.6

96.0

0.29

1.52

0.53

TNF-α

6.3

7.5

17.9

22.2

39.3

0.79

0.55

0.24

Group II

IL-8 (CXCL8)

25.7

14.9

57.3

74.8

159.2

0.22

1.70

0.81

MIP-1β (CCL4)

10.0

15.1

31.6

38.4

61.9

0.87

0.36

0.32

RANTES (CCL5)

12.0

11.4

31.2

39.4

74.3

0.68

0.62

0.38

Group III

Adiponectin

7.95

12.7

25.8

31.2

45.2

0.90

0.34

0.26

Leptin

15.5

18.7

44.3

54.8

96.0

0.79

0.47

0.50

Group IV

sCD14

4.0

3.5

10.1

12.8

24.8

0.62

0.74

0.13

sCD40L

4.7

5.2

12.9

16.1

38.8

0.52

0.54

0.21

sCD163

4.5

13.6

21.1

24.1

27.9

0.97

0.24

0.21

sgp130

3.5

4.1

9.9

12.3

21.7

0.79

0.57

0.13

sIL-2Rα

7.55

11.1

23.5

28.7

46.8

0.86

0.37

0.24

sIL-6R

8.16

6.5

20.0

25.5

50.5

0.55

0.81

0.26

sTNF-RII

8.7

8.4

22.8

28.7

53.9

0.69

0.70

0.32

Group V

Neopterin

17.5

12.7

41.6

53.5

108.4

0.47

0.96

0.56

  1. Group I represents cytokines, Group II is chemokines, group III is adipocytokines, group IV represents soluble cell receptors, and group V is immune activation markers