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Journal of Bone and Joint Surgery - British Volume, Vol 89-B, Issue 4, 461-466.
doi: 10.1302/0301-620X.89B4.18552  
Copyright © 2007 by British Editorial Society of Bone and Joint Surgery
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Mortality and mobility after hip fracture in Japan

A TEN-YEAR FOLLOW-UP

M. Tsuboi, MD, Orthopaedic Surgeon1; Y. Hasegawa, MD, Associate Professor, Orthopaedic Surgeon2; S. Suzuki, MD, Lecturer3; H. Wingstrand, MD, Professor, Orthopaedic Surgeon4; and K.-G. Thorngren, MD, Professor, Orthopaedic Surgeon4

1 Department of Orthopaedic Surgery, Aichi-ken Saiseikai Hospital, 451-0052, 1-1-18 Sakou, Nishiku, Nagoya City, Japan.
2 Department of Orthopaedic Surgery, Nagoya University Graduate School of Medical Sciences, 446-8550, 65 Tsurumai-cho, Showa-ku, Nagoya City, Japan.
3 Department of Health Promotion and Preventive Medicine, Nagoya City University Graduate School of Medical Sciences, 467-8601, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya City, Japan.
4 Department of Orthopaedics, University Hospital, S-221 85, Lund, Sweden.

Correspondence should be sent to Mr Y. Hasegawa; e-mail: hassey{at}med.nagoya-u.ac.jp

We studied prospectively the change over ten years in mortality, walking ability and place of residence after a hip fracture in 753 patients in Japan. We compared the deaths observed in these patients with those expected in the general population, matched for age, gender and calender year at the time of fracture. The survival rate decreased dramatically for two years after the event and the mortality risk remained higher for ten years. This risk was approximately double that of the general population, even at ten years after fracture. The risk was higher, and remained so for longer, in younger rather than in older patients.

The proportion of patients who were able to walk outdoors alone, with or without an assistive device, was 68% (514) before fracture. This decreased to 56% (340) by one year after and remained stable at approximately 63% (125) until ten years. The proportion of patients living in their own home was 84% (629) before fracture, 81% (491) one year later, and then remained stable at approximately 86% (171) until ten years after the event.






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Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General