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0 0.5 1 1.5 2+ Mortality 74% Improvement Relative Risk c19vitamind.com Nikniaz et al. Vitamin D for COVID-19 META ANALYSIS Favors vitamin D Favors control
Nikniaz, vitamin D meta analysis: 74% lower mortality [p=0.008] https://c19p.org/nikniaz
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The impact of vitamin D supplementation on mortality rate and clinical outcomes of COVID-19 patients: A systematic review and meta-analysis
Nikniaz et al., Pharmaceutical Sciences, doi:10.34172/PS.2021.13
9 Mar 2021    Source   PDF   Share   Tweet
Meta analysis of 4 supplementation studies, finding that vitamin D supplementation "seems to decrease the mortality rate, the severity of the disease, and serum levels of the inflammatory markers". Mortality odds ratio OR 0.264, p = 0.008.
Currently there are 82 vitamin D for COVID-19 studies, showing 37% [25‑47%] lower mortality, 32% [4‑53%] lower ventilation, 50% [27‑65%] lower ICU admission, 20% [9‑29%] lower hospitalization, and 12% [2‑21%] lower cases.
risk of death, 73.6% lower, OR 0.26, p = 0.008, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Nikniaz et al., 3/9/2021, peer-reviewed, 4 authors.
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