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  • Incidence and progression o...
    Snyder, E.A.; Alvarez, C.; Golightly, Y.M.; Renner, J.B.; Jordan, J.M.; Nelson, A.E.

    Osteoarthritis and cartilage, 04/2020, Letnik: 28, Številka: 4
    Journal Article

    To describe the incidence and progression of radiographic and symptomatic hand osteoarthritis (rHOA and sxHOA) in a large community-based cohort. Data were from the Johnston County OA Project (1999–2015, 12 ± 1.2 years follow-up, age 45+). Participants had bilateral hand radiographs each visit, read for Kellgren–Lawrence grade (KLG) at 30 joints. We defined rHOA as KLG ≥2 in ≥1 joint. SxHOA was defined in a hand/joint with rHOA and self-reported symptoms or tenderness on exam. Incidence was assessed in those without, while progression was assessed in those with, baseline rHOA. Proportions or medians are reported; differences by sex and race were assessed using models appropriate for dichotomous or continuous definitions, additionally adjusted for age, education, body mass index (BMI), and weight change. Of 800 participants (68% women, 32% African American, mean age 60 years), 327 had baseline rHOA and were older, more often white and female, than those without rHOA (n = 473). The incidence of HOA was high, for rHOA (60%) and for sxHOA (13%). Women were more likely than men to have incident HOA, particularly for distal interphalangeal joint radiographic osteoarthritis (DIP rOA) (adjusted odds ratios (aOR) 1.60 95% confidence intervals (95% CI) 1.03, 2.49) and sxHOA (aOR 2.98 1.50, 5.91). Progressive HOA was more similar by sex, although thumb base rOA progressed more frequently in women than in men (aOR 2.56 1.44, 4.55). Particularly HOA incidence, but also progression, was more frequent among whites compared with African Americans. This study provides much needed information about the natural history of HOA, a common and frequently debilitating condition, in the general population.