Predicting Severity and Intrahospital Mortality in COVID-19: The Place and Role of Oxidative Stress

Table 5

Prooxidative and antioxidative parameters in the blood in all study groups. Data are presented as mean and standard deviation in all study groups.

Severity of COVID 19 infection		Prooxidants				Antioxidant enzymes
		O2^− (nmol/ml)	TBARS (μmol/ml)	H2O2 (nmol/ml)	NO^− (nmol/ml)	CAT ()	SOD ()	GSH ()
Mild	Mean	3.50	1.34	2.30	3.03	0.79	22.49	103394.79
	Std. deviation	1.83	0.48	0.68	0.62	0.38	9.27	17473.95
		33	35	35	35	35	35	35
Moderate	Mean	4.84	1.28	2.18	3.20	0.68	19.76	96202.84
	Std. deviation	3.29	0.64	0.65	0.68	0.36	9.53	21664.02
		48	50	50	50	50	48	50
Severe	Mean	11.30	1.20	2.07	2.66	1.15	22.39	95272.71
	Std. deviation	5.66	0.71	0.44	0.45	0.90	11.19	21315.30
		31	34	34	34	34	33	34

Statistical significance was established by ANOVA analysis with Tukey-B post hoc test as follows: mild vs. moderate; mild vs. severe; moderate vs. severe.