Metabolic Analysis of Potential Key Genes Associated with Systemic Lupus Erythematosus Using Liquid Chromatography-Mass Spectrometry

Figure 4

PLS-DA analysis for SLE and control samples. (a, b) PLS-DA plots for SLE versus control separation in positive mode with 2D and 3D format. (c, d) PLS-DA plots for SLE versus control separation in negative mode with 2D and 3D format.

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