Bone mineral density and fracture in postmenopausal women

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Abstract
This retrospective study examined bone mineral density (BMD) for discrimination of female patients with fractures. Bone densitometry was done in 146 patients over the age of 50 years at radius, lumbar spine, and proximal femur sites using single and dual photon absorptiometry. The patients were divided into three groups: (A) no osteoporotic fractures (n=92); (B) mild spine fractures with >15% compression (n=38); and (C) hip fractures (n=16). Groups B and C did not differ significantly from each other in BMD, but these groups differed significantly from group A for spine and femur BMD. No significant differences between groups were found for the radius. Receiver operating characteristic (ROC) analysis showed that the BMD of the proximal femur had the highest diagnostic sensitivity for both spine and femur fractures; the radius had the lowest overall sensitivity, and the spine was intermediate.