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Health resource use and costs of symptomatic knee and/or hip osteoarthritis

Abstract : BACKGROUND: Data on the economic consequences of hip and knee osteoarthritis (OA) are scarce. We aimed to estimate the annual direct and indirect costs for patients followed for hip and/or knee OA in the Knee and Hip Osteoarthritis Long term Assessment (KHOALA) cohort.METHODS:The KHOALA cohort, set up from 2007 to 2009, is a French multicenter study of 878 individuals with symptomatic knee/hip OA who were 40-75 years old. Resources used were collected annually for 5 years. Costs were assigned by using official sources and expressed in 2018 euros per patient.RESULTS: The mean annual total costs per patient over the 5-year study period were 2,180 ± 5,305€. The mean annual direct medical costs per patient were 2,120 ± 5,275€ and mean annual indirect costs per patient 180 ± 1,735€ for people of working age. Costs increased slightly over the study period. Drugs were the largest cost share, representing over 50% of all direct costs. However, the proportion attributable to OA drugs accounted for only 10.5% of drug costs. The second cost share was hospitalizations; hip and knee prosthetic surgery accounted for 27% of surgery hospitalization costs. Health professional visits were the third cost share, accounting for 3% of direct medical costs. The median costs induced could be as high as 2 billion €/year (IQR 0.7-4.3) in France.CONCLUSION: Hip and knee OA costs were substantial and increased over the study period in France. However, the costs attributable to OA represented only a small fraction of overall costs.
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https://hal.univ-lorraine.fr/hal-02465804
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Submitted on : Monday, October 25, 2021 - 11:22:31 AM
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J.H. Salmon, A.C. Rat, H. Achit, W. Ngueyon-Sime, C. Gard, et al.. Health resource use and costs of symptomatic knee and/or hip osteoarthritis. Osteoarthritis and Cartilage, Elsevier, 2019, 27 (7), pp.1011-1017. ⟨10.1016/j.joca.2019.03.005⟩. ⟨hal-02465804⟩

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