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Table 3 Correlation between amino acid concentrations and fatigue for patients with PBC

From: The relation between plasma tyrosine concentration and fatigue in primary biliary cirrhosis and primary sclerosing cholangitis

  

VAS

FFSS, physical domain

FFSS, cognitive domain

FFSS, social domain

Aromatic amino acids

Tyrosine

-0.38

p = 0.01

-0.37

p = 0.01

-0.40

p = 0.006

-0.37

p = 0.01

 

Phenylalanine

-0.27

p = 0.08

-0.29

p = 0.05

-0.25

p = 0.10

-0.31

p = 0.04

 

Tryptophan

-0.25

p = 0.10

-0.36

p = 0.02

-0.42

p = 0.004

-0.33

p = 0.03

Branched chain amino acids

Valine

-0.10

p = 0.50

-0.21

p = 0.16

-0.06

p = 0.70

-0.04

p = 0.79

 

Isoleucine

-0.04

p = 0.76

-0.09

p = 0.54

0.06

p = 0.70

0.09

p = 0.58

 

Leucine

-0.09

p = 0.57

-0.16

p = 0.29

0.01

p = 0.98

0.02

p = 0.89

Calculated ratio's

Tryptophan-ratio

-0.02

p = 0.87

-0.07

p = 0.66

-0.26

p = 0.09

-0.19

p = 0.22

 

Tyrosine-ratio

-0.30

p = 0.048

-0.21

p = 0.15

-0.34

p = 0.02

-0.32

p = 0.03