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  • Title: Brief Report: Association of Quantitative and Topographic Assessment of Heberden's Nodes With Knee Osteoarthritis: Data From the Osteoarthritis Initiative.
    Author: Kumar NM, Hafezi-Nejad N, Guermazi A, Haj-Mirzaian A, Haugen IK, Roemer FW, Demehri S.
    Journal: Arthritis Rheumatol; 2018 Aug; 70(8):1234-1239. PubMed ID: 29471581.
    Abstract:
    OBJECTIVE: To determine whether the presence, number, and topography (digit location and symmetry) of Heberden's nodes are associated with the incidence and progression of radiographic osteoarthritis (OA) of the knee. METHODS: We analyzed 8,023 knees (with 8 years of follow-up) from the Osteoarthritis Initiative. Cox regression was performed on Heberden's node presence, total number, location, and symmetry (using 2 symmetry index models) obtained at baseline physical examination as well as self-report of Heberden's node presence for evaluation of association with radiographic knee OA incidence (development of a Kellgren/Lawrence grade of ≥2) and progression (worsening in the medial joint space narrowing score of ≥1). Covariate adjustments relevant to OA outcomes were performed. RESULTS: The presence of Heberden's nodes (in 64% of the subjects) at baseline physical examinations, but not subjective self-report of Heberden's nodes, was associated with radiographic knee OA incidence (hazard ratio [HR] 1.19 and 95% confidence interval [95% CI] 1.001-1.402 [approached statistical significance]). Each additional Heberden's node found on physical examination was associated with knee OA incidence (HR 1.03 [95% CI 1.000-1.054] [approached statistical significance]) and progression (HR 1.04 [95% CI 1.016-1.063]). Knee OA incidence and progression were associated with Heberden's nodes located on the third digit (HR 1.26 [95% CI 1.068-1.487] and 1.18 [95% CI 1.019-1.361], respectively) and first digit (HR 1.186 [95% CI 0.992-1.418] [approached statistical significance] and HR 1.26 [95% CI 1.084-1.453], respectively). Heberden's node symmetry was associated with knee OA incidence (model 1 HR 1.09 [95% CI 0.997-1.185] [approached statistical significance]) and progression (model 2 HR 1.13 [95% CI 1.035-1.234]). CONCLUSION: The number of Heberden's nodes, their locations, and symmetry were associated with knee OA incidence and progression over 8 years.
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