The New England journal of medicine
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Randomized Controlled Trial Multicenter Study Clinical Trial
Effect of risedronate on the risk of hip fracture in elderly women. Hip Intervention Program Study Group.
Risedronate increases bone mineral density in elderly women, but whether it prevents hip fracture is not known. ⋯ Risedronate significantly reduces the risk of hip fracture among elderly women with confirmed osteoporosis but not among elderly women selected primarily on the basis of risk factors other than low bone mineral density.