Fig. 9From: Lipid and metabolic alteration involvement in physiotherapy for chronic nonspecific low back painDiscrimination through orthogonal PLS-DA of patients before and after therapeutic exercise examined by metabolomic analysis. A Orthogonal PLS-DA showing score plots comparing nontreated patients (indicated in the legend with 1) and patients after therapeutic exercise (indicated with 2). B Variable importance of projection (VIP) features for the groups from orthogonal PLS-DA analysisBack to article page