Table 1.
Participant characteristics for young non-exercising, young exercising and older adults. Age and body mass are expressed as mean ± SEM (range), and general health parameters (plasma ferritin, albumin, and C-reactive protein [CRP]) are expressed as mean ± SEM
| Parameter | Young adults | Older adults n = 10 |
|
|---|---|---|---|
| Non-exercising n = 10 |
Exercising n = 9 |
||
| Gender (n) | |||
| Female | 6 | 6 | 5 |
| Male | 4 | 3 | 5 |
| Age (years) | 22.7 ± 0.73 (21 - 26) |
18.4 ± 0.68 (17 - 22) |
71.2 ± 0.52 (69 - 76) |
| Body mass (Kg) | |||
| Female | 59.7 ± 4.5 (49.6 - 77.6) |
73.7 ± 5.7 (61.0 - 98.1) |
58.4 ± 2.9 (50.0 - 68.0) |
| Male | 73.2 ± 6.0 (61.0 - 89.7) |
80.8 ± 5.7 (70.8 - 90.7) |
76.5 ± 2.8 (65.9 82.3) |
| *Ferritin (μg/L) | 76.2 ± 19.0 | 72.8 ± 26.5 | 185.8 ± 16.6 |
| Reference range | F = 20-160, M = 20-250 [24] | F = 20-280, M 20-450 [25] | |
| Albumin (g/L) | 43.0 ± 0.8 | 43.1 ± 0.4 | 42.5 ± 0.3 |
| Adult reference range = 35-45 [24] | |||
| CRP (mg/L) | 6.1 ± 0.9 | 3.6 ± 0.3 | 7.6 ± 2.2 |
| Adult reference range = 0-5 [24] | |||
F = Female, M = Male
Liver function enzyme levels for the older adults (with adult reference ranges in parentheses) were:
84 ± 20 U/L (40-130) for alkaline phosphatase; 25 ± 7 U/L (<40) for aspartate transaminase; 22 ± 7 U/L (<25) for alanine transaminase.