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Table 2 Metabolites differentiating between different sport groups

From: Metabolomics profiling of xenobiotics in elite athletes: relevance to supplement consumption

Metabolite Contrast Fold change Nominal p-value FDR p-value
Catechol sulfate Football_Swimming 0.9 3.04E-09 4.86E-06
O-methylcatechol.sulfate Football_Swimming 1.1 3.35E-08 1.78E-05
Quinate Football_Swimming 1.8 2.89E-08 1.78E-05
2-pyrrolidinone Boxing_Rugby 0.5 8.13E-08 3.24E-05
2-furoyl.glycine Cycling_Football −1.2 6.26E-07 0.0002
2-pyrrolidinone Boxing_Cycling 0.4 8.35E-07 0.0002
2-pyrrolidinone Athletics_Rugby 0.3 3.99E-06 0.0009
Thioproline Boxing_Rowing 1.2 7.42E-06 0.002
1,3,7-trimethylurate Athletics_Football −1.0 1.79E-05 0.003
Tartronate (hydroxymalonate) Boxing_Rowing −0.7 1.80E-05 0.003
2-pyrrolidinone Football_Rugby 0.3 1.83E-05 0.003
Thioproline Boxing_Cycling 1.0 2.96E-05 0.004
Thioproline Athletics_Boxing −0.8 3.50E-05 0.004
Ferulic acid 4-sulfate Cycling_Football −0.9 3.87E-05 0.004
Tartronate (hydroxymalonate) Boxing_Rugby −0.7 7.85E-05 0.007
Tartronate (hydroxymalonate) Boxing_Swimming −0.5 6.76E-05 0.007
3-hydroxypyridine sulfate Cycling_Football −1.3 7.90E-05 0.007
4-vinylguaiacol sulfate Cycling_Football −1.2 8.00E-05 0.007
Ectoine Football_Swimming 0.9 8.32E-05 0.007
Ferulic acid 4-sulfate Football_Swimming 0.9 7.10E-05 0.007
2-pyrrolidinone Athletics_Cycling 0.2 9.09E-05 0.007
2-pyrrolidinone Boxing_Rowing 0.4 9.30E-05 0.007
3-methyl catechol sulfate Football_Swimming 1.1 0.0001 0.007
2,3-dihydroxyisovalerate Boxing_Football −1.6 0.0001 0.008
Hippurate Football_Swimming 0.8 0.0001 0.009
Eugenol.sulfate Athletics_Swimming 1.3 0.0002 0.009
Retinol Athletics_Boxing −1.50 0.0002 0.010
2,3-dihydroxyisovalerate Athletics_Boxing 1.5 0.0002 0.010
Caffeic acid sulfate Cycling_Football −1.1 0.0002 0.010
Tartronate (hydroxymalonate) Boxing_Cycling −0.5 0.0002 0.010
3-hydroxypyridine sulfate Football_Swimming 1.3 0.0002 0.011
Tartronate (hydroxymalonate) Boxing_Football −0.5 0.0002 0.013
Eugenol sulfate Football_Swimming 1.1 0.0003 0.017
Stachydrine Athletics_Swimming 1.1 0.0004 0.018
Ectoine Cycling_Football −0.8 0.0004 0.020
Stachydrine Athletics_Cycling 1.1 0.0005 0.023
4-hydroxyhippurate Athletics_Swimming 0.7 0.0005 0.023
Thioproline Boxing_Football 0.8 0.0007 0.028
Methyl glucopyranoside (alpha/beta) Athletics_Boxing 1.0 0.0008 0.031
4-allylphenol sulfate Athletics_Boxing 1.2 0.0012 0.048
  1. Levels of significantly different metabolites in the studied 7 groups (after correction for covariates) (FDR significance, p ≤ 0.05)