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Table 2 Summary of plasma and urine metabolome PCA results

From: Exploring the association of physical activity with the plasma and urine metabolome in adolescents and young adults

 

Plasma metabolome

Urine metabolome

 

Metabolites

PCs

Cumulative variance (%)

Metabolites

PCs

Cumulative variance (%)

Female

777

37

70.4

1185

25

70.6

Male

791

34

70.7

1178

24

70.4

  1. PCs – Principal components through PCA on covariance matrix. The PCs column represents the total number of principal components explaining at least 70% of variance of the metabolite data