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0 0.5 1 1.5 2+ Case 42% Improvement Relative Risk c19early.org/d Fasano et al. Vitamin D for COVID-19 Prophylaxis Favors vitamin D Favors control
COVID-19 in Parkinson’s Disease Patients Living in Lombardy, Italy
Fasano et al., Movement Disorders, doi:10.1002/mds.28176
2 Jun 2021    Source   PDF   Share   Tweet
Retrospective phone survey of 1,486 Parkinson's disease patients in Italy, showing lower risk of COVID-19 cases with vitamin D supplementation. This paper also presents a case control study of PD patients and family member control patients.
risk of case, 42.0% lower, RR 0.58, p = 0.048, treatment 13 of 329 (4.0%), control 92 of 1,157 (8.0%), NNT 25, odds ratio converted to relative risk.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Fasano et al., 2 Jun 2021, retrospective, Italy, peer-reviewed, 7 authors, dosage not specified.
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