Table 3.

Correlations between serum MMPs and inflammation parameters in COVID-19 patients at admission.

	MMP3 (ng/mL)		MMP9 (ng/mL)
	rs	p value	rs	p value
MMP9 (ng/mL)	0.081	0.407	–	–
IL-6 (pg/mL)	0.157	0.107	0.345	< 0.0001
IL-17A (pg/mL)	− 0.098	0.336	0.185	0.067
MPO (ng/mL)	0.051	0.530	0.604	< 0.0001
hs-CRP (mg/L)	− 0.056	0.567	0.168	0.081
Lymphocytes (N/mmc)	− 0.166	0.086	0.090	0.353
Neutrophils (N/mmc)	0.146	0.131	0.611	< 0.0001
Monocytes (N/mmc)	0.143	0.139	0.403	< 0.0001

r_s: rho di Spearman. Significant values are reported in bold.

hs-CRP high sensitivity C-reactive protein, IL interleukin, MPO myeloperoxidase.