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Osteoporos Int. 2009 Apr;20(4):543-8. doi: 10.1007/s00198-008-0685-0. Epub 2008 Jul 17.

Recent trends in the incidence and lifetime risk of hip fracture in Tottori, Japan.

Author information

  • 1Rehabilitation Division, Tottori University Hospital, Yonago, Japan. hagino@med.tottori-u.ac.jp

Abstract

SUMMARY:

Hip fracture incidence from 2004 to 2006 in the Tottori prefecture of Japan was investigated and compared with previously reported rates. The age- and gender-specific incidence of hip fracture in the Tottori prefecture has not plateaued, as has been reported for populations in Northern Europe or North America.

INTRODUCTION:

Recent data from Northern Europe and North America indicate that the incidence of hip fracture has plateaued, whereas most reports from Asia indicate that the incidence is increasing. The aims of this study were to investigate the recent incidence of hip fracture in the Tottori prefecture, Japan, and to compare it with previous reports.

METHODS:

All hip fractures in patients aged 35 years and older occurring between 2004 and 2006 were surveyed in all of the hospitals from the Tottori prefecture. The age- and gender-specific incidence rates were then calculated. Using these and previously reported data, the estimated number of hip fracture patients was determined using the age- and gender-specific incidence rates in each year from 1986 to 2006.

RESULTS:

The survey identified 851, 906, and 1,059 patients aged 35 years and older, in 2004, 2005, and 2006 respectively. The residual lifetime risk of hip fracture for individuals at 50 years of age was estimated to be 5.6% for men and 20.0% for women. The estimated number of patients from 1986 to 2006 showed a significant increase over time for both genders.

CONCLUSIONS:

The age- and gender-specific incidence of hip fracture in the Tottori prefecture, Japan has not plateaued for either gender.

PMID:
18633667
[PubMed - indexed for MEDLINE]
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