Figure 1

Multivariate analysis of untargeted metabolomics data using 5781 metabolites. Principal component analysis (PCA) plot of principal component (PC)1 and PC2 for each of the 90 plasma samples from subjects of normal glucose tolerance (NGT: dark blue circles), type 2 diabetes mellitus (T2D: orange circles) and T2D-Diabetic nephropathy (T2D-DN: light blue circles) groups.