Systematic Review and Meta-Analysis of the Association Between Vitamin D Status and Lower Urinary Tract Symptoms.
2020
Purpose Cumulative studies have shown that vitamin D may be associated with lower urinary tract symptoms, but the findings have been inconsistent. The aim of this study was to systematically evaluate the relationship between vitamin D and lower urinary tract symptoms. Materials and methods The PubMed, Scopus and Embase databases were searched for articles up to June 2020. A meta-analysis was conducted to evaluate the effects of vitamin D insufficiency or intake on lower urinary tract symptoms. A qualitative description summarized vitamin D intervention for treating lower urinary tract symptoms. Sensitivity analysis was conducted to examine heterogeneity and the robustness of the results. Results A total of 23 studies including 86332 participants were analyzed in our study. Vitamin D insufficiency was associated with a 1.37- to 2.06-fold increased likelihood of having lower urinary tract symptoms, and patients with lower urinary tract symptoms had significantly lower levels of vitamin D. Furthermore, vitamin D intake was significantly associated with an 11% reduction in the risk of lower urinary tract symptoms. In the subgroup analysis, the effects of vitamin D insufficiency on the risk of lower urinary tract symptoms were notably observed in nonAsians, females, and patients with urinary incontinence. Conclusions Consistent results indicated that vitamin D insufficiency was a crucial risk factor for lower urinary tract symptoms and that vitamin D supplementation showed promising effects on these symptoms. It would be of great guiding significance to consider vitamin D status when treating lower urinary tract symptoms.
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