Is the vitamin D status of patients with COVID-19 associated with reduced mortality? A systematic review and meta-analysis
Paulo Roberto Bignardi, Paula de Andrade Castello, Bruno de Matos Aquino, Vinícius Daher Alvares Delfino
Abstract
To conduct a systematic review and meta-analysis of studies assessing the association between serum vitamin D status and mortality in patients with COVID- 19. We searched PubMed and Embase for studies addressing the association of serum vitamin D levels and COVID-19 mortality published until April 24, 2022. Risk ratios (RRs) and 95% confidence interval (CIs) were pooled using fixed or random effects models. The risk of bias was assessed using the Newcastle-Ottawa Scale. The meta-analysis included 21 studies that [...]
Topics & Concepts
MedicineConfoundingMeta-analysisConfidence intervalRelative riskObservational studyVitamin D and neurologyInternal medicineCohort studyVitaminVitamin D Research StudiesVitamin C and Antioxidants ResearchCOVID-19 Clinical Research Studies