Supplementary material_Vitamin D and COVID-19 systematic review and meta-analysis

Published: 16 November 2021| Version 1 | DOI: 10.17632/7smtyg5y7n.1
Contributor:
Harsha Dissanayake

Description

The supplementary data file contains the following sections: 1. Search strategy: Search strategy used for the systematic review in databases PubMed, EMBASE, Scopus, Web of Science and Cochrane library. 2. Data extraction sheet - the tool used to extract data from selected research articles 3. Summary of excluded studies - A table of studies that were excluded from the systematic review and meta-analysis after perusing the full-text. 4. Risk of bias of individual studies - risk of bias across five domains in all selected studies, illustrated individually. 5. Statistical analyses for the association between low vitamin D and susceptibility to COVID-19: Outcomes of Funnel plot, Egger's test, sensitivity analysis, subgroup analysis, meta-regression (with model comparisons) conducted with R software for the above association. 6. Comparison of vitamin D levels in people with and without COVID-19: Funnel plot, Egger's test, sensitivity analysis performed using R software. 7. Statistical analyses for the association between low vitamin D and severe COVID-19: similar to section 5. 8. Comparison of vitamin D levels in people with severe and non-severe COVID-19: similar to section 6. 9. Statistical analyses for the association between low vitamin D and death due to COVID-19: similar to section 5. 10. Comparison of vitamin D levels in survivors and non-survivors of COVID-19: similar to section 6.

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Clinical Endocrinology, Vitamin D, COVID-19

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