High-Throughput Untargeted Serum Metabolomics Analysis of Hyperuricemia Patients by UPLC-Q-TOF/MS

Figure 8

Group F’s PCA score plot, OPLS-DA score plot, and permutation test plot of a serum sample from the control group and HUA group in ESI + mode and ESI− mode. (a, d) The PCA score plots in ESI + mode and ESI− mode, respectively. (b, e) The OPLS-DA score plots in ESI + mode and ESI− mode, respectively. (c, f) Permutation test plots in ESI + mode and ESI− mode, respectively. C: control group; H: HUA group.

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