TAILIEUCHUNG - báo cáo hóa học:" Concordane of OSTA and lumbar spine BMD by DXA in identifying risk of osteoporosis"

Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học quốc tế đề tài : Concordane of OSTA and lumbar spine BMD by DXA in identifying risk of osteoporosis | Journal of Orthopaedic Surgery and Research BioMed Central Research article Concordane of OSTA and lumbar spine BMD by DXA in identifying risk of osteoporosis ChunYan Lu1 DeCai Chen 1 YunHua Cai2 and SongQuan Wei1 Open Access Address Department of Endocrinology West China hospital of Sichuan University ChengDu China and 2Department of Endocrinology County hospital of QianWei Sichuan China Email ChunYan Lu - lcyan8306@ DeCai Chen - lcyan8306@ YunHua Cai - lcyan8306@ SongQuan Wei - lcyan8306@ Corresponding author Published 21 November 2006 Received 09 April 2006 . r__jn J n I I r 11 n I I Accepted 21 November 2006 Journal of Orthopaedic Surgery and Research 2006 1 14 doi 1749-799X-1-14 This article is available from http content 1 1 14 2006 Lu et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Objective To investigate the accuracy of Osteoporosis Self-assessment Tool for Asians OSTA in identifying the risk of osteoporosis in postmenopausal women. To validate use of OSTA risk index by comparing it with the bone mineral density BMD of lumbar spine measured by dual energy X-ray absorptiometry DXA . Methods The data of lumbar spine BMD LS BMD measurements by DXA of 218 postmenopausal women of Han nationality in Sichuan province were compared with OSTA risk index. The concordance of OSTA and LS BMD were calculated and analyzed by fourfold table and receiver operating characteristic ROC curve. Results The prevalence of osteoporosis in these women was and with the LS BMD T score cutoffs and respectively. The sensitivity specificity and accuracy of OSTA risk index compared with T score cutoff of LS BMD were .

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