Metabolomic Markers in Tongue-Coating Samples from Damp Phlegm Pattern Patients of Coronary Heart Disease and Chronic Renal Failure

Figure 4

PLS-DA analysis of metabolomic data and validation plots of PLS-DA scores: (a) healthy subjects (black points) vs. CRF damp phlegm pattern (red points), (b) validation plots of PLS-DA scores (healthy subjects vs. CRF damp phlegm pattern), (c) CRF damp phlegm pattern (black points) vs. CRF nondamp phlegm pattern (red points), and (d) validation plots of PLS-DA scores (CRF damp phlegm pattern vs. CRF nondamp phlegm pattern).

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