3.5. Metabolic Profile Related to Physical Activity
In order to assess the effect of physical activity on the urinary profile, we applied a PLS-DA model on the data matrix composed of samples from T2 to T4 collected in sessions A (at rest) and B (physical activity) (The observed differences in 4-hydroxybenzoate (4-HBz), hypoxanthine, 1-methyl-2-pyridone-5-carboxamide (2PY), and 1-methylnicotinamide (1-MNA) levels resulted to be also significant according to the Wilcoxon signed rank test (