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Rates of and risk factors for trabecular and cortical BMD loss in middle-aged and elderly African-ancestry men.


ABSTRACT: Low trabecular (Tb) and cortical (Ct) volumetric BMD (vBMD) are related to increased fracture risk, but little is known about the patterns and correlates of Tb and Ct vBMD loss with aging. We examined the rates of change in total, Tb.vBMD, and Ct.vBMD at the radius and tibia, and identified factors associated with vBMD loss among 1569 men of African descent aged 40 years and older. Quantitative computed tomography was used to measure vBMD 6 years apart. The annualized rate of loss in Tb.vBMD was significant at the radius (-0.047%/yr, p?=?0.016) but not at the tibia. At the radius, a significant loss of Tb.vBMD was observed in men aged 40 to 49 years that appeared to be attenuated and not statistically significant among older age men. In contrast, the decline in Ct.vBMD was similar at both skeletal sites (-0.254 to -0.264%/yr, p?

SUBMITTER: Sheu Y 

PROVIDER: S-EPMC4878409 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

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Rates of and risk factors for trabecular and cortical BMD loss in middle-aged and elderly African-ancestry men.

Sheu Yahtyng Y   Bunker Clareann H CH   Jonnalagadda Pallavi P   Cvejkus Ryan K RK   Patrick Alan L AL   Wheeler Victor W VW   Gordon Christopher L CL   Zmuda Joseph M JM  

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 20150301 3


Low trabecular (Tb) and cortical (Ct) volumetric BMD (vBMD) are related to increased fracture risk, but little is known about the patterns and correlates of Tb and Ct vBMD loss with aging. We examined the rates of change in total, Tb.vBMD, and Ct.vBMD at the radius and tibia, and identified factors associated with vBMD loss among 1569 men of African descent aged 40 years and older. Quantitative computed tomography was used to measure vBMD 6 years apart. The annualized rate of loss in Tb.vBMD was  ...[more]

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