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KMID : 1120320240100010016
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Osteoporosis and Sarcopenia
2024 Volume.10 No. 1 p.16 ~ p.21
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Assessing the utility of osteoporosis self-assessment tool for Asians in patients undergoing hip surgery
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Keisuke Uemura
Kazuma Takashima
Ryo Higuchi
Sotaro Kono
Sotaro Kono
Makoto Iwasa
Hirohito Abe
Yuki Maeda
Takayuki Kyo
Takashi Imagama
Wataru Ando
Takashi Sakai
Seiji Okada
Hidetoshi Hamada
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Abstract
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Objectives: Diagnosis and treatment of osteoporosis are instrumental in obtaining good outcomes of hip surgery.
Measuring bone mineral density (BMD) using dual-energy X-ray absorptiometry (DXA) is the gold standard for diagnosing osteoporosis. However, due to limited access to DXA, there is a need for a screening tool to identify patients at a higher risk of osteoporosis. We analyzed the potential utility of the Osteoporosis Self-assessment Tool for Asians (OSTA) as a screening tool for osteoporosis.
Methods: A total of 1378 female patients who underwent hip surgery at 8 institutions were analyzed. For each patient, the BMD of the proximal femoral region was measured by DXA (DXA-BMD), and the correlation with OSTA score (as a continuous variable) was assessed. Receiver operating characteristic (ROC) curve analysis was performed to assess the ability of OSTA score to predict osteoporosis. Lastly, the OSTA score was truncated to yield an integer (OSTA index) to clarify the percentage of patients with osteoporosis for each index.
Results: DXA-BMD showed a strong correlation with OSTA (r = 0.683; P < 0.001). On ROC curve analysis, the optimal OSTA score cut-off value of ?? 5.4 was associated with 73.8% sensitivity and 80.9% specificity for diagnosis of osteoporosis (area under the curve: 0.842). A decrease in the OSTA index by 1 unit was associated with a 7.3% increase in the probability of osteoporosis.
Conclusions: OSTA is a potentially useful tool for screening osteoporosis in patients undergoing hip surgery. Our findings may help identify high-risk patients who require further investigation using DXA.
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KEYWORD
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Dual-energy X-ray absorptiometry, Hip surgery, Osteopenia, Osteosarcopenia, Screening
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