Fig. 5

Correlation matrix for all metabolites identified in PCa cases and controls. Correlations are shown for the different acylcarnitines in primary PCa cases (a) and controls (b). c Insert with plot A displays the correlation among the acylcarnitines and all the annotated metabolites in primary cases. d Correlation among acylcarnitines in metastatic cases. The sizes of the circles are dependent on the Pearson correlation coefficient. Blue circles correspond to positive correlations and red circles correspond to negative correlations. Correlations that do not reach significance (p > 0.05) are indicated by an empty square box. For statistical details see methods section