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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 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality 53% Improvement Relative Risk c19vitamind.com/vanegascedillo.html Favors vitamin D Favors control
14 March 2021 - Analysis of outcomes based on serum levels
Serum Vitamin D levels are associated with increased COVID-19 severity markers and mortality independent of visceral adiposity
Vanegas-Cedillo, medRxiv, doi:10.1101/2021.03.12.21253490 (Preprint)
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Retrospective 551 moderate to severe COVID-19 patients in Mexico showing vitamin D ≤12ng/mL independently associated with COVID-19 mortality. No association was found between vitamin D levels and the need for intubation. Vitamin D deficiency was more prevalent in women and patients with type 2 diabetes.
risk of death, 52.6% lower, RR 0.47, p = 0.006, high D levels 95 of 494 (19.2%), low D levels 21 of 57 (36.8%), NNT 5.7, adjusted per study, >12ng/mL.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Vanegas-Cedillo et al., 3/14/2021, retrospective, Mexico, North America, preprint, 15 authors.
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