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Risk of New VertebralFracture in the YearFollowing a Fracture Robert Lindsay2001 год

Risk of New Vertebral Fracture in the Year Following a Fracture
статья из журнала

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Аннотация: ContextVertebral fractures significantly increase lifetime risk of future fractures, but risk of further vertebral fractures in the period immediately following a vertebral fracture has not been evaluated.ObjectiveTo determine the incidence of further vertebral fracture in the year following a vertebral fracture.Design and SettingAnalysis of data from 4 large 3-year osteoporosis treatment trials conducted at 373 study centers in North America, Europe, Australia, and New Zealand from November 1993 to April 1998.SubjectsPostmenopausal women who had been randomized to a placebo group and for whom vertebral fracture status was known at entry (n = 2725).Main Outcome MeasureOccurrence of radiographically identified vertebral fracture during the year following an incident vertebral fracture.ResultsSubjects were a mean age of 74 years and had a mean of 28 years since menopause. The cumulative incidence of new vertebral fractures in the first year was 6.6%. Presence of 1 or more vertebral fractures at baseline increased risk of sustaining a vertebral fracture by 5-fold during the initial year of the study compared with the incidence in subjects without prevalent vertebral fractures at baseline (relative risk [RR], 5.1; 95% confidence interval [CI], 3.1-8.4; P<.001). Among the 381 participants who developed an incident vertebral fracture, the incidence of a new vertebral fracture in the subsequent year was 19.2% (95% CI, 13.6%-24.8%). This risk was also increased in the presence of prevalent vertebral fractures (RR, 9.3; 95% CI, 1.2-71.6; P = .03).ConclusionOur data indicate that women who develop a vertebral fracture are at substantial risk for additional fracture within the next year.
Год издания: 2001
Авторы: Robert Lindsay
Издательство: American Medical Association
Источник: JAMA
Ключевые слова: Bone health and osteoporosis research, Bone Metabolism and Diseases, Bone and Joint Diseases
Другие ссылки: JAMA (PDF)
JAMA (HTML)
PubMed (HTML)