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0 0.5 1 1.5 2+ Severe case 33% Improvement Relative Risk Case 44% c19vitamind.com Sainz-Amo et al. Vitamin D for COVID-19 Prophylaxis Favors vitamin D Favors control
Sainz-Amo, 211 patient vitamin D prophylaxis study: 33% lower severe cases [p=0.45] and 44% fewer cases [p=0.23] https://c19p.org/sainzamo
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COVID-19 in Parkinson’s disease: what holds the key?
Sainz-Amo et al., Journal of Neurology, doi:10.1007/s00415-020-10272-0
24 Oct 2020    Source   PDF   Share   Tweet
Case control study with 39 COVID+ and 172 COVID- Parkinson's disease patients in Spain, showing positive and severe cases being less likely to use vitamin D supplementation compared to negative or mild/negative cases respectively. These differences were not statistically significant.
risk of severe case, 32.7% lower, OR 0.67, p = 0.45, treatment 5 of 29 (17.2%) cases, 43 of 182 (23.6%) controls, NNT 23, case control OR.
risk of case, 43.7% lower, OR 0.56, p = 0.23, treatment 6 of 39 (15.4%) cases, 42 of 172 (24.4%) controls, NNT 13, case control OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Sainz-Amo et al., 10/24/2020, retrospective, Spain, Europe, peer-reviewed, mean age 74.5, 13 authors, dosage not specified.
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