Figure 3
From: Metabolomics-based study of potential biomarkers of sepsis
Differential metabolites screening. (a) PCA plot The horizontal coordinates are the first principal component PC1, the vertical coordinates are the second principal component PC2, and the ellipse is the 95% confidence interval. Each point represents a sample, and different groups are labeled with different colors (red for the normal group and blue for the sepsis group). There is good discrimination between the two groups in the figure. (b) Plot of the OPLC-DA analysis model The horizontal axis in the figure is the first principal component, and the vertical axis is the second principal component. The number in parentheses is the score of that principal component, which indicates the percentage of the overall variance explained by the corresponding principal component. There is a good discrimination between the two groups in the figure. (c) VIP value score graph The vertical coordinate in the graph indicates a metabolite, and the horizontal coordinate indicates the VIP value.
