Vitamin D3 and COVID-19 Outcomes: An Umbrella Review of Systematic Reviews and Meta-Analyses.

Antioxidants (Basel) · 2023 · PMC9952713 · PMID 36829806

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nominally significantno p-value reported

Grading of the Evidence Meta-analyses showing nominally significant associations were categorized into 4 evidence groups: strong, highly suggestive, suggestive, and weak [ 6 ].

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