Annual consultation incidence of osteoarthritis estimated from population-based health care data in England.

Publisher: Oxford University Press Country of Publication: England NLM ID: 100883501 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1462-0332 (Electronic) Linking ISSN: 14620324 NLM ISO Abbreviation: Rheumatology (Oxford) Subsets: MEDLINE

Original Publication: Oxford, UK : Avenel, N.J. : Oxford University Press ; Distributed by Mercury International, c1999-

Databases, Factual/*statistics & numerical data ; Delivery of Health Care/*statistics & numerical data ; Osteoarthritis/*diagnosis ; Osteoarthritis/*epidemiology ; Primary Health Care/*statistics & numerical data ; Referral and Consultation/*statistics & numerical data; Adolescent ; Adult ; Age Factors ; Aged ; Aged, 80 and over ; Canada/epidemiology ; England/epidemiology ; Female ; Humans ; Incidence ; Male ; Middle Aged ; Netherlands/epidemiology ; Retrospective Studies ; Spain/epidemiology ; Young Adult

Objectives: To estimate the consultation incidence of OA using population-based health care data in England and compare OA incidence figures with those derived in other countries.
Methods: A population-based health care database (Consultations in Primary Care Archive) in England was used to derive the consultation incidence of OA (overall and by joint site) using the maximum available run-in period method. These estimates, and their distribution by age and sex, were compared with those published from population-based health care databases in Canada, the Netherlands and Spain. A novel age-stratified run-in period method was then used to investigate whether the consultation incidence has been increasing over time in younger adults.
Results: The annual consultation incidence of OA (any joint) was 8.6/1000 persons ≥15 years of age (95% CI 7.9, 9.3) [6.3 (95% CI 5.5, 7.1) in men and 10.8 (95% CI 9.8, 12.0) in women]. Incidence increased sharply between 45 and 64 years of age, peaking at 75-84 years. The joint-specific incidence was 1.4 (95% CI 1.1, 1.7), 3.5 (95% CI 3.1, 3.9) and 1.3 (95% CI 1.1, 1.6) for hip OA, knee OA and hand OA, respectively. The estimates and their distribution by age and sex were broadly consistent with international estimates. Between 2003 and 2010, incidence in those aged 35-44 years increased from 0.3 to 2.0/1000 persons.
Conclusion: Newly diagnosed cases of OA in England occur in 9 in 1000 at-risk adults each year, similar to other international estimates. Although lower, the consultation incidence proportion in younger adults appears to have increased in the past decade.
(© The Author 2015. Published by Oxford University Press on behalf of the British Society for Rheumatology.)

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G0501798 United Kingdom MRC_ Medical Research Council

Keywords: consultation; incidence; osteoarthritis; population-based health care data

Date Created: 20150712 Date Completed: 20160121 Latest Revision: 20220311

20231215

PMC4603278

10.1093/rheumatology/kev231

26163287