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0 0.5 1 1.5 2+ Mortality 46% Improvement Relative Risk c19vitamind.com Zelzer et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Zelzer, 148 patient vitamin D sufficiency study: 46% lower mortality [p=0.08] https://c19p.org/zelzer
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Vitamin D Metabolites and Clinical Outcome in Hospitalized COVID-19 Patients
Zelzer et al., Nutrients, doi:10.3390/nu13072129
22 Jun 2021    Source   PDF   Share   Tweet
Retrospective 148 patients in Austria, showing no statistically significant differences in vitamin D levels and metabolites for mortality or respiratory support.
risk of death, 46.4% lower, RR 0.54, p = 0.08, high D levels 24 of 121 (19.8%), low D levels 10 of 27 (37.0%), NNT 5.8, >30nmol/L.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Zelzer et al., 6/22/2021, retrospective, Austria, Europe, peer-reviewed, 7 authors.
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