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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 0.5 1 1.5 2+ Severe/critical COVID-19 93% Improvement Relative Risk c19early.org/d Ye et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Does Serum Vitamin D Level Affect COVID-19 Infection and Its Severity? A Case-Control Study
Ye et al., Journal of the American College of Nutrition, doi:10.1080/07315724.2020.182600
13 Oct 2020    Source   PDF   Share   Tweet
Case control study in China comparing 62 patients with 80 healthy controls showing vitamin D deficiency is a risk factor for COVID-19, especially for severe/critical cases.
risk of severe/critical COVID-19, 93.4% lower, RR 0.07, p = 0.03, high D levels 2 of 36 (5.6%), low D levels 8 of 26 (30.8%), NNT 4.0, adjusted per study, inverted to make RR<1 favor high D levels, >50nmol/L.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Ye et al., 13 Oct 2020, retrospective, China, peer-reviewed, 18 authors.
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