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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Death/hospitalization 30% Improvement Relative Risk c19vitamind.com Levy et al. Vitamin D for COVID-19 Prophylaxis Favors vitamin D Favors control
Levy, 849 patient vitamin D prophylaxis study: 30% lower combined mortality/hospitalization [p=0.05] https://c19p.org/levy
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Frail Older Adults with Presymptomatic SARS-CoV-2 Infection: Clinical Course and Prognosis
Levy et al., Gerontology, doi:10.1159/000521412
31 Jan 2022    Source   PDF   Share   Tweet
Retrospective 849 COVID-19+ patients in skilled nursing homes, showing lower risk of combined hospitalization/death with vitamin D prophylaxis, very close to statistical significance.
risk of death/hospitalization, 30.0% lower, HR 0.70, p = 0.05, treatment 39 of 208 (18.8%), control 168 of 641 (26.2%), NNT 13, adjusted per study, multivariable, Cox proportional hazards, day 40.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Levy et al., 1/31/2022, retrospective, Israel, Middle East, peer-reviewed, 10 authors, dosage not specified.
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