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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   Recent: 
0 0.5 1 1.5 2+ Mortality 52% Improvement Relative Risk Ventilation 46% ICU admission 64% c19vitamind.com Shah et al. Vitamin D for COVID-19 META ANALYSIS Favors vitamin D Favors control
Shah, vitamin D meta analysis: 52% lower mortality [p<0.0001], 46% lower ventilation [p<0.0001], and 64% lower ICU admission [p<0.0001] https://c19p.org/shah2
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Does vitamin D supplementation reduce COVID-19 severity? - a systematic review
Shah et al., QJM: An International Journal of Medicine, doi:10.1093/qjmed/hcac040 (meta analysis)
15 Feb 2022    Source   PDF   Share   Tweet
Meta-analysis of seven systematic reviews showing that vitamin D supplementation reduces the risk of COVID-19 mortality, ventilation, and ICU admission. Authors note that oral and IV supplements were well tolerated, safe, and effective.
Currently there are 76 vitamin D for COVID-19 studies, showing 37% [25‑47%] lower mortality, 33% [-1‑56%] lower ventilation, 50% [25‑67%] lower ICU admission, 19% [8‑29%] lower hospitalization, and 12% [1‑21%] lower cases.
risk of death, 52.1% lower, OR 0.48, p < 0.001, RR approximated with OR.
risk of mechanical ventilation, 46.1% lower, OR 0.54, p < 0.001, RR approximated with OR.
risk of ICU admission, 63.8% lower, OR 0.36, p < 0.001, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Shah et al., 2/15/2022, peer-reviewed, 4 authors.
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