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Calcified Tissue International

, Volume 92, Issue 1, pp 42–49 | Cite as

Assessing the Impact of Osteoporosis on the Burden of Hip Fractures

  • Anders Odén
  • Eugene V. McCloskey
  • Helena Johansson
  • John A. Kanis
Original Research

Abstract

The aim of the study was to determine the number of hip fractures within defined countries for 2010 and the proportion attributable to osteoporosis. The number of incident hip fractures in one year in countries for which data were available was calculated from the population demography in 2010 and the age- and sex-specific risk of hip fracture. The number of hip fractures attributed to osteoporosis was computed as the number of hip fractures that would be saved assuming that no individual could have a femoral neck T-score of less than −2.5 SD (i.e., the lowest attainable T-score was that at the threshold of osteoporosis (=−2.5 SD). The total number of new hip fractures for 58 countries was 2.32 million (741,005 in men and 1,578,809 in women) with a female-to-male ratio of 2.13. Of these 1,159,727 (50 %) would be saved if bone mineral density in individuals with osteoporosis were set at a T-score of −2.5 SD. The majority (83 %) of these “prevented” hip fractures were found in men and women at the age of 70 years or more. The 58 countries assessed accounted for 83.5 % of the world population aged 50 years or more. Extrapolation to the world population using age- and sex-specific rates gave an estimated number of hip fractures of approximately 2.7 million in 2010, of which 1,364,717 were preventable with the avoidance of osteoporosis (264,162 in men and 1,100,555 in women). We conclude that osteoporosis accounts for approximately half of all hip fractures. Strategies to prevent osteoporosis could save up to 50 % of all hip fractures.

Keywords

Attributable risk Bone mineral density Diagnosis of osteoporosis Prevention of osteoporosis T-score 

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Anders Odén
    • 1
  • Eugene V. McCloskey
    • 1
  • Helena Johansson
    • 1
  • John A. Kanis
    • 1
  1. 1.WHO Collaborating Centre for Metabolic Bone DiseasesUniversity of Sheffield Medical SchoolSheffieldUK

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