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0 0.5 1 1.5 2+ Severe case 22% Improvement Relative Risk c19vitamind.com Karonova et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Karonova, vitamin D sufficiency study: 22% lower severe cases [p=0.01] https://c19p.org/karonova4
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Vitamin D Status and Immune Response in Hospitalized Patients with Moderate and Severe COVID-19
Karonova et al., Pharmaceuticals, doi:10.3390/ph15030305
2 Mar 2022    Source   PDF   Share   Tweet
Retrospective 331 hospitalized patients in Russia, showing lower risk of severe cases with higher vitamin D levels.
risk of severe case, 22.5% lower, OR 0.78, p = 0.01, cutoff 11.4ng/mL, adjusted per study, multivariable, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Karonova et al., 3/2/2022, retrospective, Russia, Europe, peer-reviewed, 11 authors, study period 30 November, 2020 - 20 March, 2021.
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