Screening for hip and knee osteoarthritis in the general population: predictive value of a questionnaire and prevalence estimates.

Abstract : OBJECTIVE: To study the feasibility and validity of a two-step telephone screening procedure for symptomatic knee and hip osteoarthritis (OA) in the general population. METHOD: The screening questionnaire was based on signs and symptoms, previous diagnosis of OA and validated OA criteria. A random sample of telephone numbers was obtained and, at each number, one person aged 40-75 years was included. A physical examination and knee or hip radiographs were offered when the screen was positive. A sample of subjects with negative screens was also examined. The diagnosis of hip/knee OA was based on the American College of Rheumatology criteria for signs and symptoms and Kellgren-Lawrence radiographic stage 2 or greater. Prevalence rates were estimated with correction for the performance of the screening procedure. RESULTS: Of 1380 subjects, 479 had positive screens, among whom 109 were evaluated; symptomatic radiographic OA was found in 50 subjects, at the knee (n = 35) or hip (n = 20). Corrected prevalence estimates of symptomatic OA were 7.6% (6.4%-8.8%) for the knee and 5% (3.9%-6.1%) for the hip. The screening procedure had 87% (95% CI 79% to 95%) sensitivity and 92% (95% CI 91% to 93%) specificity for detecting knee OA and respectively 93% (95% CI 86% to 100%) and 93% (95% CI 92% to 94%) for hip OA. CONCLUSION: This study establishes the feasibility of telephone screening for symptomatic knee/hip OA, which could be used for a nationwide prevalence study. Pain and previous OA diagnosis were the best items for detecting symptomatic OA.
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Annals of the Rheumatic Diseases, BMJ Publishing Group, 2008, 67 (10), pp.1406-11. 〈10.1136/ard.2007.075952〉
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http://hal.univ-brest.fr/hal-00922909
Contributeur : Ghislaine Calvez <>
Soumis le : mardi 31 décembre 2013 - 14:00:03
Dernière modification le : mercredi 29 août 2018 - 01:10:20

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C. H. Roux, Alain Saraux, B. Mazieres, J. Pouchot, J. Morvan, et al.. Screening for hip and knee osteoarthritis in the general population: predictive value of a questionnaire and prevalence estimates.. Annals of the Rheumatic Diseases, BMJ Publishing Group, 2008, 67 (10), pp.1406-11. 〈10.1136/ard.2007.075952〉. 〈hal-00922909〉

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