ArticleJBMR plus2025
Association of exercise and race/ethnicity with atypical femur fracture.
Article in JBMR plus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- The role of income and educational level as risk factors for atypical femur fractures: A Nationwide Danish Case-Cohort Study with Blinded Radiographic Review.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026Article
- Risk factors for atypical femur fractures with and without bisphosphonate treatment: a national nested case-control study.JBMR plus · 2026Article
- Atypical femur fractures: insights from the Asian Federation of Osteoporosis Societies consensus paper.Osteoporosis and sarcopenia · 2026Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Atypical femur fractures (AFF) resemble stress fractures. Stress fractures can result from repetitive stresses like weight-bearing exercise and femoral geometry may influence where stress fractures manifest along the bone. Atypical femur fractures risk is demonstrably greater among Asian women compared to Caucasian women, with differences in femoral geometry hypothesized to contribute to elevated risk. Using a previously established cohort of older adult women, all with bisphosphonate (BP) use sometime during the study period (2010-2017) and some with AFF, we linked self-reported information on weekly exercise to enable evaluation of whether the average weekly minutes of exercise differed by race/ethnicity and whether accounting for any differences explains the increased AFF risk seen among Asian women. Data came from the longitudinal electronic health record of Kaiser Permanente Southern California. Atypical femur fractures were identified by expert review and adjudication of femur fracture radiographs. Race/ethnicity was categorized as White, Asian, and Other. Average weekly minutes of exercise were expressed in units of 15-min blocks. Bivariable and multivariable Poisson regression models were used to estimate incidence rate ratios (IRR) and 95% CI for the associations between exercise, race/ethnicity, and AFF. Exercise levels for all three race/ethnicity categories were different from each other at
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Registered trials
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