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0 0.5 1 1.5 2+ Severe disease or poor pr.. 47% Improvement Relative Risk c19vitamind.com Seven et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Seven, vitamin D sufficiency study: 47% lower severe cases [p=0.006] https://c19p.org/seven
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Correlation between 25-hydroxy vitamin D levels and COVID-19 severity in pregnant women: a cross-sectional study
Seven et al., The Journal of Maternal-Fetal & Neonatal Medicine, doi:10.1080/14767058.2021.2005564
23 Nov 2021    Source   PDF   Share   Tweet
Prospective study of 403 pregnant COVID+ hospitalized women in Turkey, showing higher risk of severe disease or poor prognostic factors with vitamin D deficiency.
risk of severe disease or poor prognostic factor, 46.5% lower, RR 0.53, p = 0.006, cutoff 14.5ng/ml, inverted to make RR<1 favor high D levels (≥14.5ng/ml).
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Seven et al., 23 Nov 2021, prospective, Turkey, peer-reviewed, 6 authors, study period September 2020 - November 2020.
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