Association Between Vitamin D and Uric Acid in Adults: A Systematic Review and Meta-Analysis

Author:

Isnuwardana Ronny1,Bijukchhe Sanjeev1,Thadanipon Kunlawat1ORCID,Ingsathit Atiporn1,Thakkinstian Ammarin1

Affiliation:

1. Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

Abstract

AbstractAssociation between vitamin D and uric acid is complex and might be bidirectional. Our study aimed to determine the bidirectional association between vitamin D and uric acid in adults. Using MEDLINE via PubMed and Scopus, we systematically searched for observational or interventional studies in adults, which assessed the association between serum vitamin D and serum uric acid, extracted the data, and conducted analysis by direct and network meta-analysis. The present review included 32 studies, of which 21 had vitamin D as outcome and 11 had uric acid as outcome. Meta-analysis showed a significant pooled beta coefficient of serum uric acid level on serum 25(OH)D level from 3 studies of 0.512 (95% confidence interval: 0.199, 0.825) and a significant pooled odds ratio between vitamin D deficiency and hyperuricemia of 1.496 (1.141, 1.963). The pooled mean difference of serum 25(OH)D between groups with hyperuricemia and normouricemia was non-significant at 0.138 (−0.430, 0.707) ng/ml, and the pooled mean difference of serum uric acid between categories of 25(OH)D were also non-significant at 0.072 (−0.153, 0.298) mg/dl between deficiency and normal, 0.038 (−0.216, 0.292) mg/dl between insufficiency and normal, and 0.034 (−0.216, 0.283) mg/dl between deficiency and insufficiency. In conclusion, increasing serum uric acid might be associated with increasing 25(OH)D level, while vitamin D deficiency is associated with hyperuricemia. These reverse relationships should be further evaluated in a longitudinal study.

Publisher

Georg Thieme Verlag KG

Subject

Biochemistry, medical,Clinical Biochemistry,Endocrinology,Biochemistry,General Medicine,Endocrinology, Diabetes and Metabolism

Reference77 articles.

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