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Home   COVID-19 treatment studies for Vitamin C  COVID-19 treatment studies for Vitamin C  C19 studies: Vitamin C  Vitamin C   Select treatmentSelect treatmentTreatmentsTreatments
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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality 15% Improvement Relative Risk c19vitaminc.com/alsulaiman2.html Favors vitamin C Favors control
2 April 2021 - Late treatment study
Ascorbic Acid as an Adjunctive Therapy in Critically Ill Patients with COVID-19: A Multicenter Propensity Score Matched Study
Al Sulaiman et al., Research Square, doi:10.21203/rs.3.rs-354711/v1 (Preprint)
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Retrospective 158 critically ill patients receiving vitamin C and propensity matched controls, showing mortality OR 0.77 [0.48-1.23], and statistically significantly lower thrombosis, OR 0.42 [0.18-0.94]. 1000mg of vitamin C was given daily.
risk of death, 14.9% lower, RR 0.85, p = 0.27, treatment 46 of 142 (32.4%), control 59 of 142 (41.5%), NNT 11, odds ratio converted to relative risk, PSM.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Al Sulaiman et al., 4/2/2021, retrospective, propensity score matching, Saudi Arabia, Middle East, preprint, 12 authors.
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