Abstract
Background: Our study evaluated the prevalence and pattern of T-score discordance between the spine and hip in Korean patients with atypical femoral fracture (AFF) and femur neck fracture (FNF). Methods: A total of 49 patients (all women) who were treated for AFF and 1:3 matched 147 female patients with FNF were included from January 2012 to August 2022. A discordance of more than 1.5 between lumbar spine and femur neck bone mineral density (BMD) was defined as a difference and divided into 3 groups: lumbar low (LL; lumbar BMD is less than femur neck BMD), no discordance (ND), and femur neck low (FL; femur neck BMD is less than lumbar BMD). We compared the prevalence and pattern of discordance between 2 groups, and the associated risk factors of T-score discordance among the subjects were evaluated using regression analysis. Results: The prevalence of discordance was significantly higher in patients with AFF (51%) than in those with FNF (25.2%; P<0.001). LL discordance was found in 46.9% of the patients with AFF but only 4.8% in those with FNF. Conversely, FL discordance was found in 4.1% of the patients with AFF and 20.4% in those with FNF, respectively. No specific risk factor was found as T-score discordance in the 2 groups. Conclusions: Clinicians should be aware that the pattern of T-score discordance can vary depending on the location of osteoporotic fractures. In addition, a longitudinal study would be necessary to verify the pattern of T-score discordance related to the osteoporotic fracture location.
Original language | English |
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Pages (from-to) | 87-92 |
Number of pages | 6 |
Journal | Journal of Bone Metabolism |
Volume | 30 |
Issue number | 1 |
DOIs | |
State | Published - Feb 2023 |
Bibliographical note
Publisher Copyright:© 2023 Korean Society for Bone and Mineral Research. All rights reserved.
Keywords
- Absorptiometry
- Bone density
- Femoral fractures
- Osteoporosis
- photon