Fig. 2From: Identification of potential metabolic biomarkers of polycystic ovary syndrome in follicular fluid by SWATH mass spectrometrya PCA 3D-score plots based on UPLC-Q-TOF data. PCOS group (black spots), Control group (red spots), and QC group (blue spots). b The score plot shows the PLS-DA model. PCOS group (black spots) and Control group (red spots). c The loading plot shows the PLS-DA model. Each point represents for one metabolite ion. The points marked with red boxes are the potential differential metabolites ionsBack to article page