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Home   COVID-19 treatment studies for Vitamin D  COVID-19 treatment studies for Vitamin D  C19 studies: Vitamin D  Vitamin D   Select treatmentSelect treatmentTreatmentsTreatments
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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Mortality -73% Improvement Relative Risk Hospitalization -17% c19early.org/d Cereda et al. Vitamin D for COVID-19 Prophylaxis Favors vitamin D Favors control
Vitamin D supplementation and outcomes in coronavirus disease 2019 (COVID-19) patients from the outbreak area of Lombardy, Italy
Cereda et al., Nutrition, doi:10.1016/j.nut.2020.111055
11 Nov 2020    Source   PDF   Share   Tweet
Retrospective 105 Parkinson's disease patients, 92 caregivers, and 127 hospital inpatients, showing higher, but not statistically significant mortality and hospitalization with treatment. Supplementation was defined as >=25,000IU/month for at least 3 months.
risk of death, 73.0% higher, RR 1.73, p = 0.14, treatment 7 of 18 (38.9%), control 40 of 152 (26.3%), odds ratio converted to relative risk, >=25,000IU/month for at least 3 months.
risk of hospitalization, 17.3% higher, RR 1.17, p = 0.68, treatment 7 of 27 (25.9%), control 36 of 170 (21.2%), odds ratio converted to relative risk.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Cereda et al., 11 Nov 2020, retrospective, Italy, peer-reviewed, mean age 68.8, 7 authors, dosage varies.
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