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. 2019 Jul 26;14(7):e0219531. doi: 10.1371/journal.pone.0219531

Table 5. Metabolite correlation network analysis.

Parameter GWI Controls P value
Total possible, unique pairwise correlations* 63,903 63,903 --
Significantly correlated metabolite pairs (FDR < 0.05) 902 589 <0.0001
Positively correlated metabolite pairs (FDR < 0.05) 835 541 ns
Negatively correlated metabolite pairs (FDR < 0.05) 67 48 ns

*By Spearman non-parametric correlation analysis. For a matrix of 358 metabolites: N = ((358 x 358)- 358)/2 = 63,903.