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. 2016 Jul 5;11(7):e0158573. doi: 10.1371/journal.pone.0158573

Fig 1. Color-coded correlation matrix of Spearman’s rank correlation coefficients.

Fig 1

Blue indicates positive, whereas red indicates negative correlations. Size corresponds to strength of correlation. Correlation coefficient values are mirrored in the lower left quadrant. All values were statistically significant (p<0.001).