The corresponding principal component analysis score plots (Additional file 2 : Figure S1A-E) display a clear trend of clustering of the malignant and normal samples, respectively.
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Comprehensive metabolomics analysis of prostate cancer tissue in relation to tumor aggressiveness and TMPRSS2-ERG fusion status.
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A CV-ANOVA test showed highly significant variation related to the separation of groups (Additional file 3 : Table S2).