Fig. 1From: Lipidomic analysis of serum samples from migraine patientsPCA (a) and orthoPLS-DA (b) score plots of migraine patients based on metabolomics data (positive ion mode). PCA (d) and orthoPLS-DA (e) score plots of migraine patients based on metabolomics data (negative ion mode). Performance statistics of orthoPLS-DA in positive ion mode (c) and negative ion mode (f)Back to article page