TABLE 1.

Correlation of Serum TRP Metabolite Levels with CRP and Cytokine Levels

	CRP	IL-1β	IL-6	IL-7	IL-17A	IL-22	TNF-α
TRP	−0.443**	−0.318*	−0.403**	−0.435**	−0.344*	0.122	−0.237
KYN	0.012	−0.090	−0.018	−0.078	0.024	0.015	0.202
5-HT	0.022	0.131	−0.023	−0.204	0.192	0.053	0.144
KYN/TRP	0.211	0.142	0.246	0.159	0.207	0.019	0.400*

Data expressed as Spearman correlation coefficient. *P < 0.05, **P < 0.01.