Research Paper Volume 13, Issue 5 pp 7020—7034
The efficiency and safety of high-dose vitamin C in patients with COVID-19: a retrospective cohort study
Figure 1. Overall survival with the two treatments in COVID-19 patients. The risk of mortality was significantly reduced with high-dose vitamin C than standard therapy (HR=0.14, 95% CI, 0.03-0.72). VitC: vitamin C.