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Incidence of four major osteoporotic fragility fractures among older individuals in Sado, Japan, in 2020

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Journal of Bone and Mineral Metabolism Aims and scope Submit manuscript

Abstract

Introduction

This study compared the 2020 incidence of fragility fractures in Sado City with those from 2004 to 2015.

Materials and methods

Data from patients aged ≥ 60 years living in Sado City with fragility fractures in the hip, vertebral, distal radius, and proximal humerus between January 1 and December 31, 2020, were collected. We examined the number and incidence of four types of osteoporotic fractures in the older population aged ≥ 60 years living in Sado City in 2020. We compared the results with those of the 2004, 2010, and 2015 surveys, examining the temporal change and trend in the incidence of the four fracture types in this population. We investigated the use rate of anti-osteoporotic medications and the relationship between their administration and the occurrence of fragility fractures.

Results

The age-specific incidence of hip fractures slightly decreased from 2015. However, the incidence of the other three fractures slightly increased, although the difference was not statistically significant. The incidence of hip fractures markedly increased in the 80 s. In 2020, the percentage of patients taking anti-osteoporotic agents before the occurrence of fractures decreased to 12.4% from 14.5% in 2015; it increased from 4% in 2004 to 7.6% in 2010.

Conclusion

The 2020 incidence of the four fractures did not decrease, and the percentage of patients receiving anti-osteoporotic agents did not increase. A higher frequency of osteoporosis treatment is necessary to reduce the incidence of fragility fractures. We recommend using anti-osteoporotic agents to prevent hip fractures among individuals in their mid-70 s and above.

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Acknowledgements

We would like to thank Sado General Hospital and all the staff who contributed to this study. Without their cooperation, this study would not have been possible. We also express our gratitude to Ms. Takai for her assistance. Finally, we would like to thank Editage (www.editage.jp) for the English language editing.

Author information

Authors and Affiliations

  1. Division of Comprehensive Musculoskeletal Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1-757, Asahimachidori, Niigata City, Niigata Prefecture, 9518510, Japan

    Norio Imai & Yoji Horigome

  2. Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan

    Asami Nozaki, Hayato Suzuki & Hiroyuki Kawashima

  3. Division of International Health, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan

    Yugo Shobugawa

  4. Department of Orthopaedic Surgery, Sado General Hospital, Sado, Japan

    Kentaro Higuchi, Yoshihiro Suda & Takeo Oinuma

Authors
  1. Norio Imai
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  2. Asami Nozaki
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  3. Yugo Shobugawa
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  4. Kentaro Higuchi
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  5. Yoshihiro Suda
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  6. Takeo Oinuma
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  7. Hayato Suzuki
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  8. Yoji Horigome
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  9. Hiroyuki Kawashima
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Contributions

All authors contributed to the study’s conception and design. YS and NI performed material preparation, data collection, and analysis. NI wrote the first draft of the manuscript, and all authors commented on previous versions. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Norio Imai.

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Conflict of interest

All authors have no conflict of interest.

Ethical approval

All procedures involving human participants performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The ethics review board of Niigata University (No. 2018-0341) approved the conduct of this study. Given the retrospective nature of this study, the need for informed consent was waived.

Informed consent

The need for informed consent was waived because the study was retrospective and non-interventional and no personal information will be obtained by using the existing sample.

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Imai, N., Nozaki, A., Shobugawa, Y. et al. Incidence of four major osteoporotic fragility fractures among older individuals in Sado, Japan, in 2020. J Bone Miner Metab (2024). https://doi.org/10.1007/s00774-024-01529-z

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  • DOI: https://doi.org/10.1007/s00774-024-01529-z

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