Table 5.
Oxidative stress-related variables and clinical blood parameters in men > 76 years of age according to different levels of functional physical performance
| Poor general physical performance | Poor physical performance on the lower body limbs | Poor physical performance on the upper body limbs | Good general physical performance | P-value | |
|---|---|---|---|---|---|
| N = 6 | N = 9 | N =14 | N = 6 | ||
| Total antioxidant capacity | 2.7 (0.6) | 1.9 (0.2) | 2.1 (0.3) | 2.0 (0.3) | 0.738 |
| (mg Trolox/g protein) | |||||
| % Total antioxidant capacity (respect to total blood protein levels) | 37.9 (8.8) | 27.7 (2.9) | 30.4 (3.7) | 27.0 (4.5) | 0.749 |
| Carbonylated proteins (nmol carbonyls/mg protein) | 1.8 (0.2) | 2.5 (0.2) | 2.4 (0.2) | 2.1 (0.2) | 0.086 |
| Lipid peroxidation (nmol MDA + 4-HNE/g protein) | 21.9 (3.9) | 27.3 (3.2) | 21.2 (2.5) | 14.5 (3.4) | 0.102 |
| Total blood proteins (g/dL) | 7.1 (0.2) | 6.9 (0.2) | 6.9 (0.1) | 7.2 (0.1) | 0.588 |
| C-reactive protein (mg/L) | 2.9 (0.7) | 3.1 (0.9) | 5.3 (2.0) | 3.9 (1.7) | 0.743 |
| Hemoglobin (g/dL) | 13.3 (0.3) | 14.5 (0.2) | 13.7 (0.3) | 15.8 (0.4) | 0 |
All data are presented as means (standard error of the mean). P-values by one-way analysis of variance (ANOVA) or Kruskall–Wallis H test according to normality as assayed by Kolmogorov–Smirnov test. Differences were always considered to be statistically significant when p ≤ 0.05
MDA malondialdehyde, 4-HNE 4-hydroxy-2(E)-nonenal