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Osteoarthritis in England: Incidence Trends From National Health Service Hospital Episode Statistics

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posted on 2023-07-26, 14:52 authored by Oliver J. Morgan, Howard J. Hillstrom, Scott J. Ellis, Yvonne M. Golightly, Roland Russell, Marian T. Hannan, Jonathan T. Deland, Rajshree Hillstrom
Objective: It is typical in epidemiological research of osteoarthritis (OA) to collect data for the hand, hip, and knee. However, little population‐based data exist for this disease in the foot. Thus, we addressed patterns of OA for the foot compared with the hand, hip, and knee spanning 2000/2001 to 2017/2018 in England. Methods: Secondary‐care data from 3 143 928 patients with OA of the foot, hand, hip, and knee were derived from the National Health Service (NHS) Hospital Episode Statistics (HES) database. Distribution, population prevalence, and incidence of joint‐specific OA were stratified by age and sex. Results: OA incidence increased significantly at the foot [3.8% (95% confidence interval [CI] 3.0, 4.6)], hand [10.9% (10.1, 11.7)], hip [3.8% (2.9, 4.7)], and knee [2.9% (2.2, 3.6)] per year from 2000/2001 to 2017/2018. A higher proportion of women were diagnosed with OA, whereas greater incidence in men was estimated for the hand and hip. Foot OA presented comparable diagnosis numbers to the hand. More recently during 2012/2013 to 2017/2018, a significant rise in hip OA was estimated among younger adults, whereas knee OA decreased across all age groups. Incidence of OA in the foot and hand were particularly significant among the 75 or older age group, though bimodal age distributions were observed for both sites. Conclusion: The significant increase in secondary care records for OA in England underscores the importance of exploring possible causative factors and identifying groups most at risk. Further detailed data may be particularly important for the hip, which represents significant incidence among younger adults. Greater incidence of OA in the foot compared with the knee emphasizes the need for well‐conducted epidemiological research in this area. Monitoring the performance of surgical outcomes at the population‐level for this frequently affected yet understudied site could have substantial potential to reduce the socioeconomic burden it represents to the NHS.



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ACR Open Rheumatology





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