Screening for Postmenopausal Osteoporosis: A Review of the Evidence for the U.S. Preventive Services Task Force

Figure. The dotted line indicates women with at least one risk factor; the solid line indicates women without risk factors.
Number needed to screen to prevent one hip fracture in 5 years.
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Ann Intern Med
September 17, 2002
vol. 137
no. 6
529-541