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Table 2 Regular physical activity and serum hormone concentrations in elderly men (mean ± S.E.M.)

From: The effects of long-term endurance training on the immune and endocrine systems of elderly men: the role of cytokines and anabolic hormones

Hormones

Elderly runners

Sedentary controls

DHEA-S (μg/dl)

79 ± 6

92 ± 14

Free testosterone (pmol/l)

258.4 ± 15.5

271.6 ± 19.1

Total testosterone (ng/dl)

529 ± 41

456 ± 36

GH (μg/l)

0.44 ± 0.12

0.68 ± 0.32

Cortisol (μg/dl)

13.7 ± 0.6

13.2 ± 0.8

Cortisol/DHEA-S

0.19 ± 0.01

0.19 ± 0.02

  1. No statistical differences were observed between groups