Table 2.

Association between hsCRP, hsIL-6, and markers of tryptophan metabolism in the whole population.

	TRP	KYN/TRP	5-HT	5-HIAA	IAA	ICAld	ILA	IPA	IS
hsCRP	−0.397****	0.190*	−0.088	0.133	−0.332***	−0.078	−0.501****	−0.268**	−0.339***
hsIL-6	−0.380****	0.300**	−0.158	0.068	−0.290**	−0.108	−0.397****	−0.244**	−0.304***

Multiple regression analyses controlling for gender, age and comorbidities (β coefficient). IAA, indole-3-acetic acid; ICAld, indole-3-carboxaldehyde; ILA, indole-3-lactic acid; IPA, indole-3-propionic acid; IS, indoxyl sulfate; KYN/TRP, kynurenine/tryptophan; 5-HT, serotonin; 5-HIAA, 5-hydroxyindole-3-acetic acid.

^****p < 0.0001,

^***p < 0.001,

^**p <0.01,

^*p < 0.05.