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0 0.5 1 1.5 2+ Severe case 69% Improvement Relative Risk c19vitamind.com Basaran et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Basaran, 204 patient vitamin D sufficiency study: 69% lower severe cases [p=0.005] https://c19p.org/basaran2
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The relationship between vitamin D and the severity of COVID-19
Basaran et al., Bratislava Medical Journal, doi:10.4149/bll_2021_034
12 Feb 2021    Source   PDF   Share   Tweet
Prospective study of 204 patients with COVID-19-like pneumonia in Turkey, 42 outpatients (mild cases), and 162 inpatients (serious cases), showing significantly higher risk of severe cases with vitamin D deficiency.
risk of severe case, 68.6% lower, RR 0.31, p = 0.005, high D levels 82 of 119 (68.9%), low D levels 80 of 85 (94.1%), NNT 4.0, odds ratio converted to relative risk, >10μg/L, per standard deviation increase in levels.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Basaran et al., 2/12/2021, retrospective, Turkey, Europe, peer-reviewed, 6 authors.
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