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dc.contributor.authorMarshall, Michelle
dc.contributor.authorJonsson, Helgi
dc.contributor.authorHelgadottir, Gudrun P.
dc.contributor.authorNicholls, Elaine
dc.contributor.authorvan der Windt, Danielle
dc.contributor.authorMyers, Helen
dc.contributor.authorDziedzic, Krysia
dc.date.accessioned2014-08-28T15:16:07Zen
dc.date.available2014-08-28T15:16:07Zen
dc.date.issued2014en
dc.date.submitted2014en
dc.identifier.citationArthritis Care & Research 2014, 66 (6):828-36en
dc.identifier.issn2151464Xen
dc.identifier.doi10.1002/acr.22225en
dc.identifier.urihttp://hdl.handle.net/2336/325531en
dc.descriptionTo access publisher's full text version of this article click on the hyperlink at the bottom of the pageen
dc.description.abstractObjective. To investigate the reliability and construct validity of an atlas for grading hand osteoarthritis (OA) on photographs in a separate younger community-dwelling population than the development cohort. Methods. Participants were community-dwelling adults (ages >= 50 years) in North Staffordshire, UK with hand pain or hand problems in the last year who attended a research clinic. High-quality photographs were taken in a standardized position. A photographic atlas was used to score hand joints (second and third distal interphalangeal [DIP], second and third proximal interphalangeal [PIP], and first carpometacarpal [CMC] joints) and joint groups (DIP, PIP, and CMC joints) for OA on a 0-3 scale. Hand radiographs were graded for OA using the Kellgren/Lawrence (K/L) grading system. Clinical features (nodes, bony enlargement, and deformity) were determined by physical examination. Associations of photographic hand OA grades with radiographic OA and clinical features were determined to assess construct validity. Results. In total, 558 participants (mean age 64 years, 62% women) were included in the analyses. Reliability for scoring OA on the photographs was good (mean intrarater intraclass correlation coefficient [ICC] 0.77 and mean interrater ICC 0.71). At the joint level, photographic hand OA grade was positively associated with radiographic OA grade (Spearman's rho = 0.19-0.57, P < 0.001) and the number of clinical features (Spearman's rho = 0.36-0.59, P < 0.001). At the person level, individuals with higher global photographic OA scores had higher summed K/L scores and higher percentages meeting the American College of Rheumatology clinical hand OA criteria. Conclusion. This photographic scoring system was reliable and a good indicator of hand OA in a separate younger community-dwelling population than the development cohort. This method of data collection offers researchers a feasible alternative to physical examination and radiography.
dc.description.sponsorshipMedical Research Council UK/G9900220 Arthritis Research UK /18174 North Staffordshire Primary Care Consortium European League Against Rheumatism Osteoarthritis Research Society International National Institute for Health and Clinical Excellencen
dc.language.isoenen
dc.publisherWiley-Blackwellen
dc.relation.urlhttp://doi.wiley.com/10.1002/acr.22225en
dc.relation.urlhttp://onlinelibrary.wiley.com/doi/10.1002/acr.22225/pdfen
dc.rightsArchived with thanks to Arthritis Care & Researchen
dc.subjectSlitgigten
dc.subjectAldraðiren
dc.subjectHenduren
dc.subject.meshOsteoarthritisen
dc.subject.meshHanden
dc.subject.meshAgeden
dc.titleReliability of Assessing Hand Osteoarthritis on Digital Photographs and Associations With Radiographic and Clinical Findingsen
dc.typeArticleen
dc.contributor.departmentKeele Univ, Arthritis Res UK Primary Care Ctr, Keele ST5 5BG, Staffs, England, Landspitalinn Univ Hosp, Reykjavik, Iceland, Univ Iceland, Reykjavik, Icelanden
dc.identifier.journalArthritis Care & Researchen
dc.rights.accessLandspitali Access - LSH-aðganguren
html.description.abstractObjective. To investigate the reliability and construct validity of an atlas for grading hand osteoarthritis (OA) on photographs in a separate younger community-dwelling population than the development cohort. Methods. Participants were community-dwelling adults (ages >= 50 years) in North Staffordshire, UK with hand pain or hand problems in the last year who attended a research clinic. High-quality photographs were taken in a standardized position. A photographic atlas was used to score hand joints (second and third distal interphalangeal [DIP], second and third proximal interphalangeal [PIP], and first carpometacarpal [CMC] joints) and joint groups (DIP, PIP, and CMC joints) for OA on a 0-3 scale. Hand radiographs were graded for OA using the Kellgren/Lawrence (K/L) grading system. Clinical features (nodes, bony enlargement, and deformity) were determined by physical examination. Associations of photographic hand OA grades with radiographic OA and clinical features were determined to assess construct validity. Results. In total, 558 participants (mean age 64 years, 62% women) were included in the analyses. Reliability for scoring OA on the photographs was good (mean intrarater intraclass correlation coefficient [ICC] 0.77 and mean interrater ICC 0.71). At the joint level, photographic hand OA grade was positively associated with radiographic OA grade (Spearman's rho = 0.19-0.57, P < 0.001) and the number of clinical features (Spearman's rho = 0.36-0.59, P < 0.001). At the person level, individuals with higher global photographic OA scores had higher summed K/L scores and higher percentages meeting the American College of Rheumatology clinical hand OA criteria. Conclusion. This photographic scoring system was reliable and a good indicator of hand OA in a separate younger community-dwelling population than the development cohort. This method of data collection offers researchers a feasible alternative to physical examination and radiography.


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