Table 3.

Correlation between amino acid concentrations and fatigue for patients with PBC

		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