Affiliation:
1. Students’ Research Committee, Isfahan University of Medical Sciences are with the , Isfahan, Iran
2. Department of Community Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences are with the , Isfahan, Iran
Abstract
Abstract
Context
Findings of previous observational studies that examined the association between circulating vitamin D levels and lipid profiles have been inconsistent.
Objective
A dose-response meta-analysis of epidemiologic studies was conducted to investigate the relationship between serum 25-hydroxyvitamin D levels and dyslipidemia in adults.
Data Sources
Electronic databases were searched systematically for articles published up to June 2021.
Data Extraction
Fifty-seven observational studies and 2 cohort studies that reported odds ratios (ORs) or relative risks (RRs) with 95%CIs for dyslipidemia in relation to serum 25-hydroxyvitamin D levels in adults were included.
Data Analysis
A high level, vs a low level, of serum 25-hydroxyvitamin D was related to a significant 19% decrease in the odds of hypertriglyceridemia (OR 0.81; 95%CI, 0.74–0.89), an 18% reduction in low high-density lipoprotein cholesterol (HDL-C) (OR 0.82; 95%CI, 0.76–0.89), and an 18% reduction in dyslipidemia (OR 0.82; 95%CI, 0.75–0.91). No significant association was found between a high vs a low level of serum 25-hydroxyvitamin D and risk of high low-density lipoprotein cholesterol (LDL-C) levels (OR 0.86; 95%CI, 0.62–1.19) or hypercholesterolemia (OR 1.03; 95%CI, 0.93–1.15). Dose-response analyses demonstrated that each 10 ng/mL increase in the serum 25-hydroxyvitamin D level was linked, respectively, to a 7% (OR 0.93;95%CI, 0.85–1.02), a 3% (OR 0.97; 95%CI, 0.90–1.05), and a 4% (OR 0.96; 95%CI, 0.92–1.00) marginally significant decrease in the odds of hypertriglyceridemia, low HDL-C, and dyslipidemia.
Conclusion
Higher serum 25-hydroxyvitamin D levels are associated with significant reductions in the odds of hypertriglyceridemia, low HDL-C, and dyslipidemia in a dose-response trend.
Systematic Review Registration
PROSPERO registration no. CRD42021219484.
Funder
Isfahan University of Medical Sciences
Publisher
Oxford University Press (OUP)
Subject
Nutrition and Dietetics,Medicine (miscellaneous)
Cited by
7 articles.
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