Table 3.

Spearman's correlation analysis between MMP-9, MMP-8, BDNF and VEGF A and cytokines or cytokines ratios in COVID-19 patients

	MMP-9	MMP-8	BDNF	VEGF A
	Rho (ρ)	Rho (ρ)	Rho (ρ)	Rho (ρ)
MMP-9	---	0.925**	0.708**	0.708**
MMP-8	0.925**	---	0.727**	0.727**
BDNF	0.535**	0.441**	---	0.564**
VEGF A	0.708**	0.727**	0.564**	---
IL-1β	0.094	0.090	-0.101	0.186
IL-6	0.123	0.145	-0.140	0.0001
IL-10	-0.177	-0.228	-0.279*	-0.384**
IL-17	0.176	0.174	0.245	0.281**
TNF-α	0.255	0.119	0.248	0.276*
TGF-β	0.435**	0.385**	0.510**	0.330*
IL-10 / IL-1	-0.221	-0.247	-0.445**	-0.200
IL-10 / IL-6	-0.242	-0.304*	-0.445**	-0.276*
IL-10 / IL-17	-0.354**	-0.411**	-0.411**	-0.452**
IL-10 / TNF-α	-0.248	-0.352*	-0.547*	-0.300