Comparison of Biomarkers in Blood and Saliva in Healthy Adults

Table 1

Correlations of biomarkers among passive drool saliva, filter paper saliva, and plasma samples.

Biomarker	Passive drool versus filter paper	Filter paper versus plasma	Passive drool versus plasma
IL-1β	0.63**	0.01	0.12
IL-1RA	0.56**	0.05	0.18
IL-2	0.15	−0.08	0.04
IL-4	0.36*	0.08	−0.18
IL-5	0.17	−0.26	−0.07
IL-6	0.48	0.25	0.31*
IL-7	0.50**	−0.09	0.01
IL-8	0.56**	−0.04	0.17
IL-9	0.53**	0.01	0.23
IL-10	0.52**	0.21	0.28
IL-12	0.62**	0.03	0.26
IL-13	0.37*	0.12	0.12
IL-15	0.43**	−0.03	0.12
IL-17	−0.04	0.05	−0.06
Eotaxin	0.27	0.00	−0.07
Basic FGF	0.01	−0.13	−0.26
G-CSF	0.41**	0.07	0.00
GM-CSF	−0.10	0.13	−0.14
IFN-γ	0.33*	0.13	0.34*
IP-10	0.34*	0.25	−0.01
MCP-1	0.44**	0.12	−0.01
MIP-1α	0.03	−0.09	−0.10
MIP-1β	0.53**	0.29	0.34*
PDGF-BB	0.23	−0.17	−0.22
RANTES	0.24	0.32	0.22
VEGF	0.58**	0.01	0.19
TNF-α	0.08	0.19	0.17

^*𝑃<0.05; ^**𝑃<0.01.