Fig. 1

Multivariate analysis of lipoprotein subfractions. A The flow chart of the study. B PLS-DA scores plot of controls and PCOS cases. C Variable importance in projection (VIP) scores of PLS-DA of controls and PCOS cases. D PLS-DA scores plot of controls, low-FNPO, and high-FNPO PCOS cases. E VIP scores of PLS-DA of controls, low-FNPO, and high-FNPO PCOS cases