Meta-analysis results for all treatments

Treatment relative effect with 95% CI; and degree of certainty (adaptated from GRADE). method

Treament Trials      
Demonstrated or suggested benefit Inconclusive results Uncertain results Safety results
Vitamin D3noneinconclusive results for: 14-days deaths; death D28; deaths

suggested 6.3-fold increase in viral clearance but the degree if certainty is unassessable

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vitamin C0- - - -