(preprint 8/26/2021) (Peer Reviewed)
The Association between Vitamin D and Zinc Status and the Progression of Clinical Symptoms among Outpatients Infected with SARS-CoV-2 and Potentially Non-Infected Participants: A Cross-Sectional Study
Analysis of vitamin D and zinc levels in 53 PCR+ outpatients and 53 matched controls, showing lower zinc levels in COVID-19 patients, and increased risk of cases and symptoms with vitamin D deficiency. There was no significant difference in the use of supplements between cases and controls. IR.ABADANUMS.REC.1399.073.
risk of case, 25.4% higher, RR 1.25, p = 0.56, treatment 28 of 53 (52.8%) cases,
25 of 53 (47.2%) controls, case control OR.
Golabi et al., 8/26/2021, retrospective, Iran, Middle East, peer-reviewed, 10 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.