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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+ Odds of symptoms 90% Improvement Relative Risk Odds of symptoms (b) 81% Case 72% c19vitamind.com/golabi.html Favors vitamin D Favors control
26 August 2021 - Analysis of outcomes based on serum levels
The Association between Vitamin D and Zinc Status and the Progression of Clinical Symptoms among Outpatients Infected with SARS-CoV-2 and Potentially Non-Infected Participants: A Cross-Sectional Study
Golabi et al., Nutrients, doi:10.3390/nu13103368 (preprint 8/26/2021) (Peer Reviewed)
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Analysis of vitamin D and zinc levels in 53 PCR+ outpatients and 53 matched controls, showing lower zinc levels in COVID-19 patients, and increased risk of cases and symptoms with vitamin D deficiency. There was no significant difference in the use of supplements between cases and controls. IR.ABADANUMS.REC.1399.073.
odds of symptoms, 90.0% lower, RR 0.10, p < 0.001, high D levels 34, low D levels 10, >30ng/mL vs. <20ng/mL, GEE regression, RR approximated with OR.
odds of symptoms, 81.0% lower, RR 0.19, p = 0.006, high D levels 34, low D levels 9, 20-30ng/mL vs. <20ng/mL, GEE regression, RR approximated with OR.
risk of case, 71.7% lower, RR 0.28, p = 0.07, high D levels 34 of 44 (77.3%) cases, 36 of 39 (92.3%) controls, NNT 3.5, case control OR, >30ng/mL vs. <20ng/mL.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Golabi et al., 8/26/2021, retrospective, Iran, Middle East, peer-reviewed, 10 authors.
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