Metabolomic Profiling Identified Serum Metabolite Biomarkers and Related Metabolic Pathways of Colorectal Cancer

Figure 1

(a) The PCA performed on two groups: 98 CRC patients (purple dots) and 50 healthy controls (red dots). (b) The OPLS-DA model was constructed using data from 98 CRC patients (purple dots) and 50 healthy controls (red dots). (c) The permutation test plot of OPLS-DA (permutation test with 200 times, value CV-); the green dots represent the value of , and the blue dots represent the value of .

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