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Trends in incidence of subtrochanteric fragility fractures and bisphosphonate use among the US elderly, 1996-2007.


ABSTRACT: Increasing numbers of atypical hip fractures have been reported among patients with bisphosphonate use. However, the nature and extent of the problem are unknown despite recent investigations. To analyze national trends in hip fractures and medication use in the elderly US population, we respectively used the Nationwide Inpatient Sample (NIS) and the Medical Expenditure Panel Survey (MEPS) from 1996 to 2007. In NIS, subtrochanteric fragility fractures were compared with typical hip fractures in femoral neck and intertrochanteric regions. Between 1996 and 2007, age-adjusted rates for typical hip fractures decreased by 31.6% among women (from 1020.5 to 697.4 per 100,000 population) and 20.5% among men (from 424.9 to 337.6 per 100,000 population). In contrast, overall trends in age-adjusted rates for subtrochanteric fragility fractures remained unchanged among men (p =?.34) but increased 20.4% among women from 28.4 (95% confidence interval [CI] 27.7-29.1) in 1999 to 34.2 (95% CI 33.4-34.9) per 100,000 population in 2007. The annual percentage increase was 2.1% (95% CI 1.3-2.8, p

SUBMITTER: Wang Z 

PROVIDER: S-EPMC3179297 | biostudies-literature | 2011 Mar

REPOSITORIES: biostudies-literature

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Trends in incidence of subtrochanteric fragility fractures and bisphosphonate use among the US elderly, 1996-2007.

Wang Zhong Z   Bhattacharyya Timothy T  

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 20110301 3


Increasing numbers of atypical hip fractures have been reported among patients with bisphosphonate use. However, the nature and extent of the problem are unknown despite recent investigations. To analyze national trends in hip fractures and medication use in the elderly US population, we respectively used the Nationwide Inpatient Sample (NIS) and the Medical Expenditure Panel Survey (MEPS) from 1996 to 2007. In NIS, subtrochanteric fragility fractures were compared with typical hip fractures in  ...[more]

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