Plasma osteocalcin levels as a predictor of cardiovascular disease in older men and women: a population-based cohort study

K. Holvik, N.M. van Schoor, E.M.W. Eekhoff, M. den Heijer, D.J.H. Deeg, P.T.A.M. Lips, R.T. de Jongh

    Research output: Contribution to JournalArticleAcademicpeer-review


    Objective: The role of osteocalcin (OC) in cardiovascular disease (CVD) is unresolved. We aimed to study the association between plasma OC concentrations and the risk of non-fatal and fatal CVDs. We also aimed to investigate whether such an association, if present, would be mediated by established metabolic risk factors. Design: A population-based longitudinal cohort study. Methods: In 1995/1996, OC was determined in blood samples drawn from 1319 subjects aged 65-88 years participating in the Longitudinal Aging Study Amsterdam in 1995/1996. The self-reported CVD events were collected every 3 years until 2005/2006, and CVD deaths until 1st January 2007. Cox proportional hazards regression was performed, considering potential confounders (smoking, physical activity, and BMI) and mediators (blood pressure, plasma triglycerides, total and HDL cholesterol, fructosamine, and aortic calcification). Results: During the median 4.1 years follow-up, 709 subjects (53.8%) suffered a CVD event. There was no overall association betweenOCandCVD: hazard ratio (HR)was 0.97 (95%CI 0.90-1.04) per nmol/l higherplasmaOC, adjusted for age and sex. There was a statistical interaction between plasmaOC, age, and sex on CVD (PZ0.014). In those subjects aged ≥75 years, age-adjusted HRs (95%CI)were 0.86 (0.75-0.99) inmen and 1.16 (1.03-1.31) inwomen pernmol/l higher plasmaOC.Adjustment for covariates only slightly attenuated the association in older-old men, but did not affect the association in older-old women. Conclusion: A higher plasma OC concentration was associated with a reduced risk of CVD in older-old men and with an increased risk of CVD in older-old women. We found no evidence that this was mediated by arterial calcification or metabolic risk factors. © 2014 European Society of Endocrinology.
    Original languageEnglish
    Pages (from-to)161-170
    JournalEuropean Journal of Endocrinology
    Issue number2
    Publication statusPublished - 2014


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