Fig. 4

Differential Metabolite Screening between the Han SCZ and Healthy Groups: (A) PLS-DA of the positive ion mode for the SCZ and healthy groups; (B) PLS-DA of the negative ion mode for the SCZ and healthy groups of Han ethnicity; (C) Permutation test of the positive ion mode for the SCZ and healthy groups of Han ethnicity; (D) Permutation test of the negative ion mode for the SCZ and healthy groups; (E) Volcano plot of the positive ion mode for the SCZ and healthy groups of Han ethnicity; (F) Volcano plot of the negative ion mode for the SCZ and healthy groups of Han ethnicity