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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 59% Improvement Relative Risk Severe case 33% c19vitamind.com/alsafar.html Favors vitamin D Favors control
19 May 2021 - Analysis of outcomes based on serum levels
COVID-19 Disease Severity and Death in Relation to Vitamin D Status among SARS-CoV-2-Positive UAE Residents
AlSafar et al., Nutrients, doi:10.3390/nu13051714 (Peer Reviewed)
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Retrospective 464 patients in United Arab Emirates showing low D levels at first hospital visit associated with higher COVID-19 severity and mortality.
risk of death, 59.3% lower, RR 0.41, p = 0.048, high D levels 16 of 337 (4.7%), low D levels 10 of 127 (7.9%), NNT 32, adjusted per study, odds ratio converted to relative risk, >=12ng/mL.
risk of severe case, 33.2% lower, RR 0.67, p = 0.005, high D levels 337, low D levels 127, adjusted per study, odds ratio converted to relative risk, >=12ng/mL.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
AlSafar et al., 5/19/2021, retrospective, United Arab Emirates, Middle East, peer-reviewed, 8 authors.
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