Table 2.

Correlation between oxidative stress markers and inflammatory markers in COVID-19 patients

		Thiol	TAS	TOS	OSI
WBC	r	− 0.387	− 0.379	0.214	0.364
	p	< 0.001	< 0.001	0.048	0.001
Neutrophil	r	− 0.321	− 0.377	0.321	0.492
	p	0.003	< 0.001	0.003	< 0.001
CRP	r	− 0.363	− 0.421	0.328	0.385
	p	0.001	< 0.001	0.002	< 0.001
Procalcitonin	r	− 0.364	− 0.315	0.233	0.296
	p	0.001	0.003	0.031	0.006
Ferritin	r	− 0.218	− 0.403	0.220	0.358
	p	0.047	< 0.001	0.044	0.001
Fibrinogen	r	− 0.309	− 0.095	0.003	0.117
	p	0.007	0.412	0.979	0.315

WBC white blood cell, CRP C-reactive protein, TAS total antioxidant status, TOS total oxidant status, OSI oxidative stress index