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Table 2 Panel of cytokines measured on the evidence investigator â„¢ analyzer (Randox) with their respective analytical ranges, imprecision and sensitivities

From: The BELFRAIL (BFC80+) study: a population-based prospective cohort study of the very elderly in Belgium

Cytokine Array I panel

Assay range

Imprecision CV%

LOQ

Interleukin-1 α (IL-1 α) (pg/mL)

0-500

5.9-10.7

0.8

Interleukin-1 β (IL-1 β) (pg/mL)

0-250

7.0-13.1

1.6

Interleukin-2 (IL-2) (pg/mL)

0-3000

7.2-10.0

4.8

Interleukin-4 (IL-4) (pg/mL)

0-900

6.4-10.0

6.6

Interleukin -6 (IL-6) (pg/mL)

0-900

8.7-15.4

1.2

Interleukin-8 (IL-8) (pg/mL)

0-3000

8.7-10.1

7.9

Interleukin-10 (IL-10) (pg/mL)

0-1000

6.1-9.4

1.8

Epidermal Growth Factor (EGF) (pg/mL)

0-900

4.0-7.4

2.9

Interferon-γ (IFN- γ) (pg/mL)

0-1500

9.1-13.4

3.5

Monocyte Chemotactic Protein-1 (MCP-1) (pg/mL)

0-1500

5.6-14.7

13.2

Tumour Necrosis Factor- α (TNF- α) (pg/mL)

0-1500

8.1-13.0

4.4

Vascular Endothelial Growth Factor (VEGF) (pg/mL)

0-3000

6.0-13.4

14.6

  1. CV: coefficient of variation; LOQ: limit of quantification as the lowest concentration with imprecision < 20% for 20 replicates