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. 2022 Sep 8;12(9):845. doi: 10.3390/metabo12090845

Figure 1.

Figure 1

Multivariate statistical analysis of metabolite levels for the CHD and HC groups. (A) Unsupervised PCA scores plot of all samples. The PAH−CHD, CHD and HC groups of samples are marked in red, blue and green, respectively; (B) Supervised PLS−DA scores plot of CHD (blue) vs. HC (green); (C) Robustness of the PLS−DA model validated by RPTs with 200 cycles; (D) VIP values of metabolites calculated from the PLS−DA model.