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. 2017 Mar 16;8(17):29116–29124. doi: 10.18632/oncotarget.16249

Figure 2. Cluster score plots of unsupervised PCA and supervised OPLS of all patients with PC and DM control.

Figure 2

DM is represented by circles and malignant samples are depicted as squares. Metabolic profiles depicted by PCA score plots of LC-MS spectral data in negative mode (A) or positive mode (B). Metabolic profiles depicted by OPLS score plots of LC-MS spectral data in negative mode (C) or positive mode (D). Metabolic profiles depicted by RF score plots of LC-MS spectral data (E, 1 PC, 2 DM) and The ROC curves of RF model (F).