9/3 Analysis of outcomes based on serum levels
et al., JAMA network open, 3:9, doi:10.1001/jamanetworkopen.2020.19722 (Peer Reviewed)
Association of Vitamin D Status and Other Clinical Characteristics With COVID-19 Test Results
Association of Vitamin D Status and Other Clinical Characteristics With COVID-19 Test Results
Retrospective 489 patients showing 44% lower risk for COVID-19 with vitamin D sufficiency, relative risk RR = 0.56, p = 0.02.
Meltzer et al., 9/3/2020, retrospective, USA, North America, peer-reviewed, 6 authors.
risk of COVID-19 case, 43.5% lower, RR 0.56, p = 0.02, high D levels 39 of 317 (12.3%), low D levels 32 of 172 (18.6%), adjusted per study, >20ng/mL.
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 signficance,
however this provides the strongest evidence for the most serious outcomes
when combining the results of many trials.
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practical, effective, and safe means should be used. Elimination of COVID-19
is a race against viral evolution. No treatment, vaccine, or intervention is
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efficacy of any method increases the risk of COVID-19 becoming endemic; and
increases mortality, morbidity, and collateral damage. We do not provide
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