Fig. 3From: Serum microRNA signatures and metabolomics have high diagnostic value in gastric cancerScore plots of the GC/MS analysis in the gastric cancer patients and healthy controls. â—‹ represents the gastric cancer group. â–² represents the healthy control group. The scatter plot of the principal component analysis (PCA) (a) and partial least squares-discriminate analysis (PLS-DA) (b) with two components. The line within the plot represents the optimal cut-off line. c The strip chart of the orthogonal partial least squares discriminant analysis (OPLS-DA) with the only componentBack to article page