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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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All Studies   Meta Analysis
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality 79% Improvement Relative Risk Severe case 71% c19vitamind.com/karonova.html Favors vitamin D Favors control
31 December 2020 - Analysis of outcomes based on serum levels
Serum 25(oH)D level in patients with CoVID-19
Karonova et al., Infectology, doi:10.22625/2072-6732-2020-12-3-21-27 (Peer Reviewed)
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Retrospective 80 COVID-19 patients showing low vitamin D levels associated with severity and mortality.
risk of death, 79.4% lower, RR 0.21, p = 0.11, high D levels 1 of 23 (4.3%), low D levels 12 of 57 (21.1%), NNT 6.0, odds ratio converted to relative risk, >20ng/ml.
risk of severe case, 71.1% lower, RR 0.29, p = 0.07, high D levels 3 of 23 (13.0%), low D levels 22 of 57 (38.6%), NNT 3.9, odds ratio converted to relative risk, >20ng/ml.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Karonova et al., 12/31/2020, retrospective, Russia, Europe, peer-reviewed, 3 authors.
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