Résumé :
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[BDSP. Notice produite par INIST-CNRS V5R0xT9z. Diffusion soumise à autorisation]. Context : Large segments of the population at risk for osteoporosis and fracture have not been evaluated, and the usefulness of peripheral measurements for short-term prediction of fracture risk is uncertain. Objectives : To describe the occurrence of low bone mineral density (BMD) in postmenopausal women, its risk factors, and fracture incidence during short-term follow-up. Design : The National Osteoporosis Risk Assessment, a longitudinal observational study initiated September 1997 to March 1999, with approximately 12 months of subsequent follow-up. Setting and Participants : A total of 200160 ambulatory postmenopausal women aged 50 years or older with no previous osteoporosis diagnosis, derived from 4236 primary care practices in 34 states. Main Outcome Measures : Baseline BMD T scores, obtained from peripheral bone densitometry performed at the heel, finger, or forearm ; risk factors for low BMD, derived from questionnaire responses ; and clinical fracture rates at 12-month follow-up. Results : Using World Health Organization criteria, 39.6% had osteopenia (T score of - 1 to - 2.49) and 7.2% had osteoporosis (T score
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