Table 2.

Baseline characteristics of severe COVID-19 patients (n = 4)

Variables	Value
Age (years)	66.25
Male (%)	50
Ratio male/female	1:1
Number of ozone sessions	6.75
O2 Saturation (%)	89.0
Taylor’s radiological grade	4
Leucocytes (10 × 3 μL)	6.67
Lymphocytes (10 × 3 μL)	1.65
Fibrinogen (mg/dL)	550.7
D-Dimer (ng/mL)	1965
Urea (mg/dL)	47.2
Ferritin (ng/mL)	555.8
LDH (U/L)	253
Procalcitonin (ng/mL)	0.05
CRP (mg/dL)	1.1
IL-6 (pg/mL)	43.7

LDH lactate dehydrogenase, CRP C-reactive protein, IL interleukin