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0 0.5 1 1.5 2+ Mortality 70% Improvement Relative Risk Vitamin D for COVID-19  Cangiano et al.  Prophylaxis Is prophylaxis with vitamin D beneficial for COVID-19? Retrospective 98 patients in Italy Lower mortality with vitamin D (p=0.04) Cangiano et al., Aging, December 2020 Favors vitamin D Favors control

Mortality in an Italian nursing home during COVID-19 pandemic: correlation with gender, age, ADL, vitamin D supplementation, and limitations of the diagnostic tests

Cangiano et al., Aging, doi:10.18632/aging.202307
Dec 2020  
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Vitamin D for COVID-19
8th treatment shown to reduce risk in October 2020
*, now known with p < 0.00000000001 from 120 studies, recognized in 8 countries.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
4,100+ studies for 60+ treatments.
70% lower mortality with vitamin D supplementation. Analysis of 98 PCR+ nursing home residents in Italy, mean age 90, vitamin D supplementation RR 0.30, p = 0.04. The paper provides the p value for regression but not the effect size. Treatment was 2x per month 25000IU.
This is the 15th of 120 COVID-19 controlled studies for vitamin D, which collectively show efficacy with p<0.0000000001 (1 in 248 sextillion).
29 studies are RCTs, which show efficacy with p=0.0000024.
Study covers vitamin D and HCQ.
risk of death, 70.0% lower, RR 0.30, p = 0.04, treatment 3 of 20 (15.0%), control 39 of 78 (50.0%), NNT 2.9.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Cangiano et al., 22 Dec 2020, retrospective, Italy, peer-reviewed, 14 authors, dosage 25,000IU 2x per month.
This PaperVitamin DAll
Mortality in an Italian nursing home during COVID-19 pandemic: correlation with gender, age, ADL, vitamin D supplementation, and limitations of the diagnostic tests
Biagio Cangiano, Letizia Maria Fatti, Leila Danesi, Giacomo Gazzano, Marina Croci, Giovanni Vitale, Luisa Gilardini, Stefania Bonadonna, Iacopo Chiodini, Chiara Francesca Caparello, Antonio Conti, Luca Persani, Marco Stramba-Badiale, Marco Bonomi
Introduction: The COVID-19 pandemic caused an increased mortality in nursing homes due to its quick spread and the age-related high lethality. Results: We observed a two-month mortality of 40%, compared to 6.4% in the previous year. This increase was seen in both COVID-19 positive (43%) and negative (24%) residents, but 8 patients among those testing negative on the swab, tested positive on serological tests. Increased mortality was associated with male gender, older age, no previous vitamin D supplementation and worse "activities of daily living (ADL)" scores, such as Barthel index, Tinetti scale and S.OS.I.A. classification. Conclusion: Our data confirms a higher geriatric mortality due to COVID-19. Negative residents also had higher mortality, which we suspect is secondary to preanalytical error and a low sensitivity of the swab test in poorly compliant subjects. Male gender, older age and low scores on ADL scales (probably due to immobility) are risk factors for COVID-19 related mortality. Finally, mortality was inversely associated with vitamin D supplementation. Design: In this observational study, we described the two-month mortality among the 157 residents (age 60-100) of a nursing home after Sars-CoV-2 spreading, reporting the factors associated with the outcome. We also compared the diagnostic tests for Sars-CoV-2.
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