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Vitamin D study #135   Meta Analysis
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Severe case 88% Imp. Relative Risk, 95% CI Campi: Vitamin D and COVID-19 severity and related mortality: a.. c19vitamind.com/campi2.html Favors vitamin D Favors control
6/14 Prophylaxis study
Campi et al., BMC Infectious Diseases, doi:10.1186/s12879-021-06281-7 (Peer Reviewed)
Vitamin D and COVID-19 severity and related mortality: a prospective study in Italy
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risk of severe case, 88.4% lower, RR 0.12, p < 0.001, treatment 31 of 103 (30.1%) cases, 41 of 52 (78.8%) controls, case control OR.
This study is excluded in the after exclusion results of meta analysis: significant unadjusted differences between groups.
Campi et al., 6/14/2021, prospective, Italy, Europe, peer-reviewed, 21 authors, dosage not specified.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. For an individual study the most serious outcome may have a smaller number of events and lower statistical significance, however this provides the strongest evidence for the most serious outcomes when combining the results of many trials.
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