Scoreplot of a PCA model built on the concentrations of 29 molecules listed in Table 1. Domenico Ventrella Luca Laghi Francesca Barone Alberto Elmi Noemi Romagnoli Maria Laura Bacci 10.1371/journal.pone.0157623.g002 https://plos.figshare.com/articles/figure/Scoreplot_of_a_PCA_model_built_on_the_concentrations_of_29_molecules_listed_in_Table_1_/3905775 <p>For each group, segments are drawn from each sample position to the median of the group. “Expl.Var.” stands for explained variance of the original data.</p> 2016-07-08 16:36:28 fluid 50- P 50 days valine P 05-P comparison P 30-P comparison P 30 concentrations 1 H NMR glutamine CSF trimethylamine Cerebrospinal Fluid tyrosine creatinine 3- methyl -2-oxovalerate information leucine molecule 1 H NMR Spectroscopy myo-inositol adenine Age-Related 1 H NMR Characterization