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Table 3 Correlations between urinary concentrations of amino acids and symptom index scores for each of the three clusters defined by k-means clustering of urinary amino acid profiles for the female participants

From: Diverse characteristics of the urinary excretion of amino acids in humans and the use of amino acid supplementation to reduce fatigue and sub-health in adults

Females: Amino Acid versus Symptom Index Cluster 1 n = 13 Cluster 2 n = 21 Cluster 3 n = 17
ALA vs General fatigue ns ns r = -.56
ASN vs GIT ns r = 0.50 ns
ASP vs General fatigue ns ns r = -.50
GLU vs Chalder total fatigue r = .59 ns ns
GLU vs Chalder physical fatigue r = .63 ns ns
HYL vs Chalder physical fatigue r = .57 ns ns
HYP vs Pain r = .56 ns ns
ILE vs General fatigue ns ns r = -.49
MET vs Pain r = .66 ns ns
MET vs GIT r = .82 ns ns
MET vs Sleep r = .59 ns ns
MET vs Chalder physical fatigue r = .60 ns ns
ORN vs GIT r = .66 ns ns
ORN vs Vitality r = .58 ns ns
ORN vs Chalder total fatigue r = .59 ns ns
ORN vs Chalder physical fatigue r = .56 ns ns
PHE vs General fatigue ns ns r = -.50
PRO vs General fatigue r = .63 r = .48 ns
PRO vs Pain r = .83 ns ns
PRO vs GIT r = .92 r = .45 ns
PRO vs Sleep r = .70 ns ns
PRO vs Vitality r = .74 ns ns
PRO vs Chalder total fatigue r = .56 r = .52 ns
PRO vs Chalder physical fatigue r = .63 r = .49 ns
PRO vs Chalder mental fatigue ns r = .44 ns
TYR vs General fatigue ns ns r = -.49
VAL vs Pain r = .60 ns ns
VAL vs GIT r = .70 ns ns
VAL vs Sleep r = .61 ns ns
VAL vs Chalder total fatigue r = .60 ns ns
VAL vs Chalder physical fatigue r = .67 ns ns
Total BCAA vs Chalder physical fatigue r = .59 ns ns