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Am J Med. 2005 Dec;118(12):1414.

Lipid levels and bone mineral density.

Author information

  • 1Division of Pharmacoepidemiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass 02120, USA. dhsolomon@partners.org

Abstract

PURPOSE:

There has been considerable debate about the potential relationship between the use of statin lipid-lowering drugs and fracture risk; several observational studies suggest a protective effect but no randomized controlled trials have confirmed such a benefit. Because statins are given preferentially to persons with hyperlipidemia, if lipid levels were associated with bone mineral density, this could explain the discrepancy between epidemiological observations and randomized controlled trials. The aim of this study was to examine the relationship between lipid levels and bone mineral density.

SUBJECTS AND METHODS:

We included the 13592 participants in the National Health and Nutritional Examination Survey (NHANES) III who had bone mineral density and lipid levels measured; participants who reported the use of a lipid-lowering therapy were excluded. We examined the unadjusted bone mineral density across quintiles of total cholesterol, low-density lipoprotein (LDL), and high-density lipoprotein (HDL). We then constructed multivariable models, including age, sex, body mass index, and other potential confounders.

RESULTS:

In crude analyses, higher total cholesterol and LDL levels were associated with lower bone mineral densities (both P values for trend <.001), whereas higher HDL levels were associated with higher bone mineral densities (P value for trend <.001). However, in fully adjusted models, there was no significant relationship between total cholesterol, LDL, or HDL levels and bone mineral density (all P values for trend >.1).

CONCLUSIONS:

These results do not support a relationship between lipid levels and bone mineral density.

PMID:
16378789
[PubMed - indexed for MEDLINE]
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