Fig. 4From: Alterations in the gut microbiota and metabolite profiles in the context of neuropathic painPCA score plots, OPLS-DA score plots and permutation tests in serum samples between the sham group (S) and CCI (C) group in positive and negative ion modes. a, c, e PCA score plots, OPLS-DA score plots and permutation tests between the sham and CCI groups in positive ion mode. b, d, f PCA score plots, OPLS-DA score plots and permutation tests between the sham and CCI groups in negative ion modeBack to article page