Validation Study of Claims-based Definitions of Suspected Atypical Femoral Fractures Using Clinical Information
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- TANAKA Shiro
- Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University
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- HAGINO Hiroshi
- School of Health Science, Tottori University Faculty of Medicine
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- ISHIZUKA Akiko
- Public Health Research Foundation
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- MIYAZAKI Teruhiko
- Public Health Research Foundation
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- YAMAMOTO Takanori
- Medical Science, Lilly Research Laboratories Development Center of Excellence Japan, Eli Lilly Japan K.K.
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- HOSOI Takayuki
- Kenkoin Clinic
書誌事項
- タイトル別名
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- <b>Validation Study of Claims-based Definitions of Suspected Atypical Femoral Fractures Using Clinical Information</b>
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<p>Objective: Monitoring the incidence of atypical femoral fractures (AFFs) using medical claim databases is useful to assess the safety of long-term bisphosphonate exposure. Therefore, we aimed to validate the relationship between clinically-defined suspected AFFs and the candidate patients obtained from claims data at three hospitals in Japan.</p><p>Design: A cross-sectional study involving three hospitals that perform bone fracture surgery and from which electronic medical record databases of diagnoses and procedures are available.</p><p>Methods: Candidate patients were at the medical databases using two International Classification of Diseases, 10th Edition (ICD-10) codes (subtrochanteric fracture and fracture of shaft of femur) in the claims databases. These potential cases by claim-based definition were validated using clinically-confirmed information such as, the patient operation records, the discharge records, or radiographic imaging findings as suspected AFFs.</p><p>Results: Among fracture cases in the hospitals, and 9 cases with subtrochanteric fracture and 23 cases with femoral shaft fracture were identified based on the ICD-10 codes in the claims databases. Clinically confirmed subtrochanteric fracture had a sensitivity of 81.8% (95% CI: 48.2-97.7%), and a specificity of 100.0% (95% CI: 99.9-100.0%). For femoral shaft fracture, the sensitivity was 82.1% (95% CI: 63.1-93.9%), and the specificity was 100.0% (95% CI: 99.9-100.0%). In subgroup analyses, the sensitivities in patients over the age of 50 years with a single fracture site and with osteoporosis were relatively higher than in other subgroups.</p><p>Conclusion: The claims-based definitions of suspected AFFs are accurate, indicating the value of pharmacoepidemiological studies using the National Receipt Database.</p>
収録刊行物
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- 薬剤疫学
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薬剤疫学 21 (1), 13-19, 2016
一般社団法人 日本薬剤疫学会
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詳細情報 詳細情報について
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- CRID
- 1390282679460304768
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- NII論文ID
- 130005265240
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- NII書誌ID
- AN10523942
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- ISSN
- 1882790X
- 13420445
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- NDL書誌ID
- 027671685
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可