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Risk factors for nonvertebral fracture in obese older women

Premaor, MO and Ensrud, K and Lui, L and Parker, RA and Cauley, J and Hillier, TA and Cummings, S and Compston, JE (2011) Risk factors for nonvertebral fracture in obese older women. Journal of Clinical Endocrinology and Metabolism, 96 (8). 2414 - 2421. ISSN 0021-972X

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Context: A high prevalence of obesity has recently been reported in postmenopausal women with low trauma fracture, suggesting that higher bone mineral density (BMD) in obese individuals may not be protective against fracture. Objective: The aim of this study was to compare BMD and other risk factors for nonvertebral fracture in 1377 obese postmenopausal women. Design: Characteristics of obese women with and without incident nonvertebral fracture were investigated among the prospective cohort in the Study of Osteoporotic Fractures. Setting: The Study of Osteoporotic Fractures is a multicenter study of 9704 women (>99% Caucasian) aged 65 yr and over who were recruited between September 1986 and October 1988 from population-based listings at four U.S. clinical centers. Main Outcome Measure: The main outcome measure was nonvertebral fracture. Results: BMDT-scores in the spine, femoral neck, and total hip were significantly lower in obese women who experienced fractures than in obese women without fracture: mean differences, -0.56 [95% confidence interval (CI) = -0.73 to -0.39], -0.46 (95% CI = -0.57 to -0.36), and -0.51 (95% CI = -0.62 to -0.39), respectively (P < 0.0001 for all). A previous history of fracture [odds ratio = 1.69 (95% CI = 1.33-2.14); P < 0.0001] and femoral neck BMD [1.62 (95% CI = 1.42-1.85) per SD decrease in BMD; P < 0.0001] were independently associated with incident nonvertebral fracture. Conclusions: Obese postmenopausal women who sustain nonvertebral fractures have significantly lower BMD on average than obese women without fracture and are more likely to have a past history of fracture. Fractures in obese postmenopausal women thus exhibit some characteristics of fragility fractures. Copyright © 2011 by The Endocrine Society.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Premaor, MO
Ensrud, K
Lui, L
Parker, RA
Cauley, JJCauley@edc.pitt.eduJCAULEY
Hillier, TA
Cummings, S
Compston, JE
Date: 1 August 2011
Date Type: Publication
Journal or Publication Title: Journal of Clinical Endocrinology and Metabolism
Volume: 96
Number: 8
Page Range: 2414 - 2421
DOI or Unique Handle: 10.1210/jc.2011-0076
Schools and Programs: Graduate School of Public Health > Epidemiology
Refereed: Yes
ISSN: 0021-972X
Date Deposited: 03 Apr 2015 16:28
Last Modified: 04 Feb 2019 20:55


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