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- DOI: 10.1002/art.38795
- PMID: 25103598
- UKPMCID: 25103598
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Prevalence of Radiographic and Symptomatic Hip Osteoarthritis in an urban US Community: the Framingham Osteoarthritis Study.
Kim, Chan; Linsenmeyer, Katherine D; Vlad, Steven; Guermazi, Ali; Clancy, Mary M; Niu, Jingbo; Felson, David T
Arthritis & rheumatology (Hoboken, N.J.). 2014;66(11):3013-3017.
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Full-text held externally
- DOI: 10.1002/art.38795
- PMID: 25103598
- UKPMCID: 25103598
Abstract
Objectives. The last prevalence survey encompassing urban populations was part of the nationwide Health and Nutrition examination survey (NHANES I) in the 1970's. We carried out a prevalence survey for hip osteoarthritis (OA) in the Framingham Study Community cohort. Methods. Persons age 50 and older living in Framingham in 2002 - 2005 were recruited by random digit dialing without respect to joint pain or arthritis. Anteroposterior standing long-limb radiographs of the lower extremities including the pelvis were obtained and read for radiographic hip OA (ROA) by two trained physicians with all possible cases of ROA confirmed by an experienced musculoskeletal radiologist. ROA was defined as Kellgren-Lawrence score ≥ 2. Using a homunculus in which the hip joint was depicted, participants were asked whether they had hip pain on most days. Those who said 'yes' were defined as having hip pain. Symptomatic hip OA (SxOA) was defined as radiographic OA with ipsilateral hip pain. We defined a person as having hip OA if at least one of their hip joints was affected. Results. Of 978 subjects studied (mean age 63.5 years; 56% women), age-standardized prevalence of ROA was 19.6% (95% CI 16.7%-23.0%) and SxOA was 4.2% (95% CI 2.9%-6.1%%). Overall, we found that men had higher prevalence of ROA (p<0.0001) compared to women, but men did not have a higher prevalence of SxOA compared to women (5.2% vs 3%, p=0.08). Conclusion. In conclusion, hip osteoarthritis is a common condition in middle aged and older persons in urban and suburban U.S. © 2014 American College of Rheumatology.