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Home   COVID-19 treatment studies for Vitamin A  COVID-19 treatment studies for Vitamin A  C19 studies: Vitamin A  Vitamin A   Select treatmentSelect treatmentTreatmentsTreatments
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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality -282% Improvement Relative Risk c19early.com/sarohan.html Favors vitamin A Favors control
1 February 2021 - Late treatment study
Retinol Depletion in Severe COVID-19
Sarohan et al., medRxiv, doi:10.1101/2021.01.30.21250844 (Preprint)
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Retrospective 27 severe COVID-19 patients and 23 non-COVID-19 patients, showing signifcantly lower vitamin A levels in COVID-19 patients (0.37mg/L vs. 0.52 mg/L, p<0.001). 10 of 27 COVID-19 patients received vitamin A, with higher mortality. Group details are not provided but authors note that 8 of 10 had comorbidities.
risk of death, 282.5% higher, RR 3.83, p = 0.001, treatment 9 of 10 (90.0%), control 4 of 17 (23.5%).
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
This study is excluded in the after exclusion results of meta analysis: unadjusted results with no group details.
Sarohan et al., 2/1/2021, retrospective, Turkey, Europe, preprint, 4 authors.
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