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Home   COVID-19 treatment studies for Vitamin D  COVID-19 treatment studies for Vitamin D  C19 studies: Vitamin D  Vitamin D   Select treatmentSelect treatmentTreatmentsTreatments
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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality 7% Improvement Relative Risk Death/ICU 17% ICU admission 55% Hospitalization 15% c19vitamind.com/mendy.html Favors vitamin D Favors control
27 June 2020 - Analysis of outcomes based on serum levels
Factors Associated with Hospitalization and Disease Severity in a Racially and Ethnically Diverse Population of COVID-19 Patients
Mendy et al., medRxiv, doi:10.1101/2020.06.25.20137323 (Preprint)
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Retrospective 689 patients showing vitamin D deficiency associated with hospitalization and disease severity.
risk of death, 7.0% lower, RR 0.93, p = 0.89, high D levels 21 of 600 (3.5%), low D levels 5 of 89 (5.6%), NNT 47, odds ratio converted to relative risk.
risk of death/ICU, 16.7% lower, RR 0.83, p < 0.001, high D levels 68 of 600 (11.3%), low D levels 23 of 89 (25.8%), NNT 6.9, odds ratio converted to relative risk.
risk of ICU admission, 55.3% lower, RR 0.45, p = 0.008, high D levels 47 of 600 (7.8%), low D levels 18 of 89 (20.2%), NNT 8.1, odds ratio converted to relative risk.
risk of hospitalization, 15.1% lower, RR 0.85, p < 0.001, high D levels 171 of 600 (28.5%), low D levels 45 of 89 (50.6%), NNT 4.5, odds ratio converted to relative risk.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Mendy et al., 6/27/2020, retrospective, USA, North America, preprint, 4 authors.
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