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(A) Two-dimensional projection of the metabolite profile of patients in the 3 groups (U500, U150, and C). The partial least squares-discriminant analysis is a supervised multivariate analysis demonstrating grouping of patients in the U500 (blue), U150 (green), and control groups (red), according to the profile of metabolites. (B) Predictive value of quality (Q2) is just above 0.4. C, control group (normal uterus); U150, uterus < 150 cm3; U500, uterus > 500 cm3.
