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Fig. 1 | Journal of Neuroinflammation

Fig. 1

From: Interleukin-1-related activity and hypocretin-1 in cerebrospinal fluid contribute to fatigue in primary Sjögren’s syndrome

Fig. 1

a PCA of the biochemical variables only. b PCA of the biochemical variables and fatigue variable (fVAS). Bi-plot shows scores of the individuals and variable correlations for PC1 and PC2. Individual scores are illustrated by dots. Arrows illustrate the correlations of the variables to the components. Longer arrows mean higher correlation and arrows close to a component has a higher contribution in the generation of the component

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Journal of Neuroinflammation

ISSN: 1742-2094