Fig. 2From: Serum superoxide dismutase level is a potential biomarker of disease prognosis in patients with hemorrhagic fever with renal syndrome caused by the Hantaan virusSerum SOD levels in HFRS patients in different groups. a Comparison of serum SOD in healthy controls and patients with HFRS according to the clinical course of the disease; b Comparison of serum SOD in patients with HFRS at acute and convalescent stage in mild, moderate, severe and critical groups. **P < 0.01Back to article page