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Articles by Les G. Wong
Total Records ( 1 ) for Les G. Wong
  Kevin C. Maki , Martyn R. Rubin , Les G. Wong , Jamie F. McManus , Christopher D. Jensen , John W. Marshall and Andrea Lawless
 

Background

Low vitamin D status has been associated with markers of cardiovascular disease risk.

Objective

This cross-sectional study assessed the relationships between serum 25-hydroxyvitamin D [25(OH)D] and selected markers for cardiovascular disease risk, including metabolic syndrome and its components, in adult men and women.

Methods

Fasting blood samples, anthropometric measurements, and blood pressure were assessed in 257 men and women. Dietary intake was assessed with food frequency and dietary supplement questionnaires.

Results

Total vitamin D intake and that from dietary supplements were significantly associated with increasing serum 25(OH)D tertile (both P < .001). Mean±SEM serum high-density lipoprotein cholesterol (HDL-C) increased in a graded fashion (P < .001) from the lowest (48.4±1.8 mg/dL) to the highest (62.3±2.1 mg/dL) 25(OH)D tertile. The relationship between 25(OH)D and HDL-C remained significant (P < .001) after adjustment for established determinants of the HDL-C, with each 10-ng/mL increase in 25(OH)D associated with a 4.2-mg/dL increase in HDL-C concentration. Serum triglycerides (P=.008), waist circumference (P < .001), and body mass index (P < .001) showed graded, inverse relationships with 25(OH)D tertile, and the prevalence of metabolic syndrome decreased significantly from the lowest to the highest 25(OH)D tertile (31%, 14%, and 10%, respectively, P for trend=.001).

Conclusions

Lower serum 25(OH)D is associated with the metabolic syndrome and adverse values for some metabolic syndrome risk factors, particularly the HDL-C concentration. Research is warranted to assess whether increasing vitamin D intake will improve the metabolic cardiovascular risk factor profile.

 
 
 
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