Prevalence of symptomatic hip, knee, and spine osteoarthritis nationwide health survey analysis of an elderly Korean population

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Osteoarthritis is prominent among the elderly, with symptoms originating from multiple parts of the body. A cross-sectional study of a nationwide survey was performed to describe the prevalence of and identify factors related to symptomatic hip, knee, and spine osteoarthritis.

This cross-sectional study collected data from the Fifth Korean National Health and Nutrition Examination Survey (KNHANES V-5; 2010–2012). After excluding ineligible subjects, there were 8976 subjects in this study (3830 males and 5146 females). All subjects reported symptoms and disabilities related to osteoarthritis. Plain radiographs of the spine, hip, and knee were taken in all subjects.

Overall, 9.3% of male participants and 28.5% of female participants were diagnosed with symptomatic osteoarthritis according to survey criteria. Women showed a significantly higher prevalence in all age groups (P < 0.05). Multiple-joint osteoarthritis was diagnosed in 10.8% of male patients and 22.8% of female patients with osteoarthritis. Several demographic and lifestyle variables were related to osteoarthritis morbidity. Anthropometric and laboratory measurements were also related to osteoarthritis morbidity. In addition, mental distress and quality of life were significantly compromised in osteoarthritis. There were more significant relationships for these factors among women with a higher prevalence of multijoint osteoarthritis.

A significant proportion of the elderly with single- or multiple-joint osteoarthritis had a variety of pain origins that were closely related. Osteoarthritis was also significantly related to several factors, including mental distress and quality of life.

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