Table 4.

Correlations between suicidality scores and biochemical parameters levels.

	Suicidal Ideation	Suicidal Behavior	Suicidality Total
IL-6 pg/mL	0.476 **	0.289	0.487 **
HCY µM	0.297 *	0.105	0.278 *
5-HT (PPP) ng/mL	−0.084	−0.124	−0.105
5-HT (intra-platelet) ng/mg prot	−0.152	0.044	−0.111
KYN ng/mL	−0.077	−0.215	−0.127
KYNA ng/mL	−0.267 *	−0.116	−0.253 *
QUIN ng/mL	−0.152	−0.159	−0.171
TRP µM	−0.276 *	−0.294 *	−0.132 **
BDNF ng/mL	0.055	0.114	0.079

* p < 0.05; ** p < 0.01.