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0 0.5 1 1.5 2+ Mortality 54% Improvement Relative Risk c19vitamind.com Ahmad et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Ahmad, vitamin D sufficiency study: 54% lower mortality [p=0.03] https://c19p.org/ahmad2
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Mean Vitamin D levels in 19 European Countries & COVID-19 Mortality over 10 months
Ahmad et al., medRxiv, doi:10.1101/2021.03.11.21253361 (Preprint)
12 Mar 2021    Source   PDF   Share   Tweet
Retrospective 19 European countries showing countries with mean vitamin D levels > 50nmol/L have a 2.2 times lower risk of mortality (p = 0.032) compared to those with mean levels < 50 nmol/L.
risk of death, 53.6% lower, RR 0.46, p = 0.03, >50nmol/L.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Ahmad et al., 3/12/2021, preprint, 4 authors.
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