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0 0.5 1 1.5 2+ Case 46% Improvement Relative Risk c19vitamind.com Ramos et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Ramos, 20 patient vitamin D sufficiency study: 46% fewer cases [p=0.16] https://c19p.org/ramos3
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Vitamin D, Zinc and Iron in Adult Patients with Covid-19 and Their Action in the Immune Response as Biomarkers
Ramos et al., Global Journal of Health Science, doi:10.5539/gjhs.v14n1p1
15 Nov 2021    Source   PDF   Share   Tweet
Retrospective 13 COVID-19 patients and 7 controls in Brazil, showing higher prevalence of vitamin D deficiency for COVID-19 cases, without statistical significance.
risk of case, 45.7% lower, RR 0.54, p = 0.16, high D levels (≥20ng/mL) 4 of 9 (44.4%), low D levels (<20ng/mL) 9 of 11 (81.8%), NNT 2.7.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Ramos et al., 15 Nov 2021, retrospective, Brazil, peer-reviewed, 11 authors.
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