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

Yu, Dahai; Peat, George; Bedson, John; Jordan, Kelvin P.

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


Authors

George Peat

John Bedson



Abstract

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.

Journal Article Type Article
Acceptance Date May 20, 2015
Online Publication Date Jul 9, 2015
Publication Date 2015-11
Publicly Available Date Mar 29, 2024
Journal Rheumatology (Oxford, England)
Print ISSN 1462-0324
Publisher Oxford University Press
Peer Reviewed Peer Reviewed
Volume 54
Issue 11
Pages 2051-2060
DOI https://doi.org/10.1093/rheumatology/kev231
Keywords osteoarthritis, incidence, population-based health care data, consultation
Publisher URL http://dx.doi.org/10.1093/rheumatology/kev231
PMID 26163287