Hip Osteoarthritis and the Risk of All-Cause and Disease-Specific Mortality in Older Women: A Population-Based Cohort Study.
Hip Osteoarthritis and the Risk of All-Cause and Disease-Specific Mortality in Older Women: A Population-Based Cohort Study.
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DOI:
10.1002/art.39113
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发表时间:
2015-07
期刊:
影响因子:
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通讯作者:
Study of Osteoporotic Fractures Research Group
中科院分区:
文献类型:
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作者:
Barbour KE;Lui LY;Nevitt MC;Murphy LB;Helmick CG;Theis KA;Hochberg MC;Lane NE;Hootman JM;Cauley JA;Study of Osteoporotic Fractures Research Group
Determine the risk of all-cause and disease-specific mortality among older women with hip OA and identify mediators in the causal pathway. Data were from the Study of Osteoporotic Fractures, a US population-based cohort study of 9704 white women, aged ≥65 years. The analytic sample included women with hip radiographs at baseline (N=7,889) and year 8 (N=5,749). Mortality was confirmed through October 2013 by death certificates and hospital discharge summaries. Radiographic hip OA (RHOA) was defined as having Croft grade ≥2 in at least 1 hip (definite joint space narrowing or osteophytes plus 1 other radiographic feature). Mean follow-up time was 16.1 ±6.2 years. Baseline and year 8 prevalence of RHOA was 8.0% and 11.0%, respectively. Cumulative incidence (proportion of deaths during study period) was 67.7% for all-cause mortality, 26.3% for cardiovascular disease (CVD) mortality, 11.7% for cancer mortality, 1.9% for gastrointestinal disease mortality, and 27.8% for all other mortality causes. RHOA was associated with an increased risk of all-cause (hazard ratio [HR], 1.14; 95% confidence interval [CI], 1.05–1.24), and CVD (HR, 1.24; 95% CI, 1.09–1.41) mortality adjusted for age, body mass index, education, smoking, health status, diabetes, and stroke. These associations were partially explained by physical function (mediating variable). RHOA was associated with an increased risk of all-cause and CVD mortality among older white women followed for 16 years. Dissemination of evidence-based physical activity and self-management interventions for hip OA in community and clinical settings can improve physical function and might also contribute to lower mortality.