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Figure 1

From: Systemic differences in serum metabolome: a cross sectional comparison of women with localised and widespread pain and controls

Figure 1

Principal component analysis (PCA).

Score plot of component 1 (t[1]) and component 2 (2[t]). CWP patients (), NP () and CON (). The score plot shows the internal correlation structure in the metabolite data. Three significant cross-validated principal components were used (R2X = 0.398; Q2 = 0.288). The ellipse shows 95% confidence interval using Hotelling T2 statistics.

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