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PCA and OPLS-DA plots among groups. (A) PCA score plots of NC, UC and mesalamine groups, red dots represented NC group, green dots represented mesalamine group and blue dots represented UC group. (B) OPLS-DA score plots of NC and UC groups, red dots represented NC group and green triangles represented UC group. (C) OPLS-DA score plots of UC and mesalamine groups, red dots represented UC group and blue triangles represented mesalamine group.
