Table 3. Results of the correlation analysis between methylated arginine metabolites and other parameters.

Analyte		Age	Arginine	L-NMMA	Homoarginine	SDMA	ADMA
Arginine	r	0.06	/	/	/	/	/
	P	0.542	/	/	/	/	/
L-NMMA	r	0.15	0.26	/	/	/	/
	P	0.113	0.020	/	/	/	/
Homoarginine	r	- 0.01	0.48	0.11	/	/	/
	P	0.937	< 0.001	0.310	/	/	/
SDMA	r	0.20	0.27	0.56	0.02	/	/
	P	0.039	0.005	< 0.001	/	/	/
ADMA	r	0.24	0.27	0.68	0.01	0.72	/
	P	0.012	0.005	< 0.001	0.949	< 0.001	/
NLR	r	0.31	-0.09	0.23	- 0.21	0.28	0.31
	P	0.001	0.346	0.017	0.030	0.003	0.001
D-dimer	r	0.32	0.11	0.37	-0.10	0.35	0.37
	P	0.001	0.262	< 0.001	0.305	< 0.001	< 0.001
CRP	r	0.32	0.01	0.21	- 0.12	0.29	0.26
	P	0.001	0.946	0.032	0.207	0.002	0.007
Fibrinogen	r	0.13	0.10	0.18	- 0.12	0.10	0.11
	P	0.174	0.317	0.064	0.217	0.313	0.263
Ferritin	r	0.36	0.04	0.14	- 0.03	0.31	0.30
	P	< 0.001	0.731	0.185	0.785	0.004	0.038
Duration of hospitalization	r	0.36	0.06	0.24	- 0.22	0.10	0.26
	P	0.001	0.559	0.406	0.134	0.357	0.018
Total protein	r	- 0.14	0.07	0.26	0.20	- 0.30	- 0.26
	P	0.162	0.481	0.007	0.048	0.002	0.008
Albumin	r	- 0.31	0.001	- 0.18	0.27	- 0.29	- 0.25
	P	0.001	0.990	0.077	0.007	0.003	0.010
L-NMMA – N-monomethyl-L-arginine. SDMA – Symmetrical dimethyl arginine. ADMA – Asymmetric dimethyl arginine. NLR – Neutrophil lymphocyte ratio. CRP – C-reactive protein.