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. 2016 Jun 21;13:157. doi: 10.1186/s12974-016-0624-5

Fig. 5.

Fig. 5

Panel a: Scores plot shows the scores on each principal component for each observation. The ellipse on the plot (Hotelling ellipse) is the 95 % CI for the model. b Loading plot shows the cytokines which load on the respective principal components. Cytokines which better explain Principal Components 1 and 2 are marked in red and green, respectively