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KMID : 0384320030240080702
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Korean Journal of Family Medicine
2003 Volume.24 No. 8 p.702 ~ p.708
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Evaluation of Simple Tool as a Screening Test for Osteoporosis and osteopenia in Korean Postmenopausal Women
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Park Hye-June
Park Kyung-Hee
Park Gun-Min
Paek Yu-Jin
Cho Jung-Jin
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Abstract
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Background : Osteoporosis is an important health concern among the postmenopausal women. Therefore, it is necessary to find out acceptable screening tools for osteoporotic patients. The purpose of this study was to evaluate the Risk Index by OSTA as a screening test for osteoporosis.
Methods : The study population was 322 naturally caused menopausal women in Korea. Their was of femoral neck and lumbar spine BMD measured by DEXA. Risk Index by OSTA, based on weight and age, was calculated and the sensitivity and specificity for osteoporosis and osteopenia were evaluated. To find out the proper cut-off point for osteoporosis and osteopenia among the postmenopausal women in Korea, we also compared the sensitivity and specificity of each Risk Index value.
Results : The mean age and ages at menopause were 59.1(±6.2) and 50.7 (±2.7) years, respectively. The prevalence of osteoporosis was 9.6% with femoral neck BMD. For oeteoporosis, using a cut-off point of -1 yielded a sensitivity of 74.3% and a specificity of 52.2% with femoral neck BMD. Using a cut-off of -2 yielded a sensitivity of 87.3% and a specificity of 70.9%. The ROC curve showed an AUROC 0.88 for Risk Index in identifying osteoporosis.
Conclusion : The Risk Index is an acceptable, simple and useful method in the diagnosis of osteoporosis with a Risk Index of -2 in Korean postmenopausal women.
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KEYWORD
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osteoporosis, osteopenia, screening test, postmenopausal women, bone densitometry, age, weight
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