Table 4. Associations of tryptophan and high-sensitivity cardiac C-reactive protein (hsCRP) with the kynurenine/tryptophan ratio from multiple linear regression analysis.

Variable	Beta coefficient	p value
Age (year)	0.15	0.18
Body mass index (kg/m2)	0.13	0.27
Female	−0.07	0.53
lnhsCRP	0.36	<0.01
FTO allele	−0.23	<0.05
Tryptophan	0.0006 ± 0.0002	<0.001