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논문 기본 정보

자료유형
학술저널
저자정보
Uemura Keisuke (Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan) Takashima Kazuma Higuchi Ryo Kono Sotaro Mae Hirokazu Iwasa Makoto Abe Hirohito Maeda Yuki Kyo Takayuki Imagama Takashi Ando Wataru Sakai Takashi (Department of Orthopedic Surgery, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan.) Okada Seiji Hamada Hidetoshi
저널정보
대한골다공증학회 Osteoporosis and Sarcopenia English Vol.10 No.1
발행연도
2024.3
수록면
16 - 21 (6page)
DOI
10.1016/j.afos.2024.01.003

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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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