Table 3

Plasma interferon levels (mean ± SEM [upper and lower range values in parentheses])

Plasma cytokine (pg/mL)

Young adults

Older adults

P

Non-exercising

Exercising

IFN-α

97.2 ± 25.0

(3.2-213.8)

102.7 ± 33.2

(0 - 284.9)

106.0 ± 43.4

(0-322.0)

0.959

IFN-β2

21.3 ± 6.1

(0.4-85.7)

14.0 ± 6.9

(0-72.4)

9.0 ± 2.3

(0-30.7)

0.574

IFN = Interferon.

Crooks et al. Immunity & Ageing 2010 7:5   doi:10.1186/1742-4933-7-5