Hip fracture and increased short-term but not long-term mortality in healthy older women

Erin S. LeBlanc, Teresa A. Hillier, Kathryn L. Pedula, Joanne H. Rizzo, Peggy M. Cawthon, Howard A. Fink, Jane A. Cauley, Douglas C. Bauer, Dennis M. Black, Steven R. Cummings, Warren S. Browner

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

Background: Fractures have been associated with subsequent increases in mortality, but it is unknown how long that increase persists. Methods: A total of 5580 women from a large community- based, multicenter US prospective cohort of 9704 (Study of Osteoporotic Fractures) were observed prospectively for almost 20 years. We age-matched 1116 hip fracture cases with 4 control participants (n=4464). To examine the effect of health status, we examined a healthy older subset (n=960) 80 years or older who attended the 10-year follow-up examination and reported good or excellent health. Incident hip fractures were adjudicated from radiology reports by study physicians. Death was confirmed by death certificates. Results: Hip fracture cases had 2-fold increased mortality in the year after fracture compared with controls (16.9% vs 8.4%; multivariable adjusted odds ratio [OR], 2.4; 95% CI, 1.9-3.1]. When examined by age and health status, short-term mortality was increased in those aged 65 to 69 years (16.3% vs 3.7%; OR, 5.0; 95% CI, 2.6- 9.5), 70 to 79 years (16.5% vs 8.9%; OR, 2.4; 95% CI, 1.8-3.3), and only in those 80 years or older with good or excellent health (15.1% vs 7.2%; multivariable adjusted OR, 2.8; 95% CI, 1.5-5.2). After the first year, survival of hip fracture cases and controls was similar except in those aged 65 to 69 years, who continued to have increased mortality. Conclusions: Short-term mortality is increased after hip fracture in women aged 65 to 79 years and in exceptionally healthy women 80 years or older. Women 70 years or older return to previous risk levels after a year. Interventions are needed to decrease mortality in the year after hip fracture, when mortality risk is highest.

Original languageEnglish (US)
Pages (from-to)1831-1837
Number of pages7
JournalArchives of Internal Medicine
Volume171
Issue number20
DOIs
StatePublished - Nov 14 2011

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