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. 2021 Apr 23;11(5):265. doi: 10.3390/metabo11050265

Figure 3.

Figure 3

Classification among asthma (red circles), and non-asthma/non-atopic (black crosses), and non-asthma atopic (blue asterisks) subjects. (A) PCA plot for the asthma and atopic subjects in the training set using a new set of biomarkers listed in Table 1. (B) Corresponding PCA plot for the training set and the testing set combined. (C) PCA plot for the non-asthma atopic and non-asthma/non-atopic subjects in the training set using the biomarkers listed in Table 1. (D) Corresponding PCA plot for the training set and the testing set combined. The yellow line marks the position of the boundary.