Marshall, M ORCID: https://orcid.org/0000-0001-8163-6948, Jonsson, H, Helgadottir, GP, Nicholls, E ORCID: https://orcid.org/0000-0001-5643-616X, van der Windt, DA ORCID: https://orcid.org/0000-0002-7248-6703, Myers, H ORCID: https://orcid.org/0000-0002-4004-6615 and Dziedzic, K ORCID: https://orcid.org/0000-0002-1168-8993 (2014) Reliability of Assessing Hand Osteoarthritis on Digital Photographs and Associations With Radiographic and Clinical Findings. Arthritis Care Res (Hoboken), 66 (6). 828 - 836.

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Abstract

OBJECTIVE: 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 ρ = 0.19-0.57, P < 0.001) and the number of clinical features (Spearman's ρ = 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.

Item Type: Article
Additional Information: The final version of this article and all relevant information regarding this paper can be found at; https://onlinelibrary.wiley.com/doi/full/10.1002/acr.22225
Uncontrolled Keywords: Age Factors, Aged, Aged, 80 and over, England, Feasibility Studies, Female, Hand Joints, Humans, Male, Middle Aged, Observer Variation, Osteoarthritis, Photography, Physical Examination, Predictive Value of Tests, Prevalence, Prospective Studies, Radiography, Reproducibility of Results, Severity of Illness Index
Subjects: R Medicine > R Medicine (General)
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
R Medicine > RC Internal medicine > RC925 Diseases of the musculoskeletal system
Divisions: Faculty of Medicine and Health Sciences > School of Primary, Community and Social Care
Related URLs:
Depositing User: Symplectic
Date Deposited: 15 Jul 2020 13:45
Last Modified: 15 Jul 2020 13:45
URI: https://eprints.keele.ac.uk/id/eprint/8306

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