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0 0.5 1 1.5 2+ Case 50% Improvement Relative Risk c19vitamind.com Ribeiro et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Ribeiro, vitamin D sufficiency study: 50% fewer cases [p=0.02] https://c19p.org/ribeiro
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Previous vitamin D status and total cholesterol are associated with SARS-CoV-2 infection
Ribeiro et al., Clinica Chimica Acta, doi:10.1016/j.cca.2021.08.003
5 Aug 2021    Source   PDF   Share   Tweet
Retrospective 1,634 patients tested for SARS-CoV-2 in Brazil, showing vitamin D levels <30ng/mL associated with greater odds of a positive SARS-CoV-2 test in patients older than 49 years.
risk of case, 50.5% lower, OR 0.50, p = 0.01, >30ng/mL, multivariate, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Ribeiro et al., 8/5/2021, retrospective, Brazil, South America, peer-reviewed, 8 authors.
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