Incidence of symptomatic hand, hip, and knee osteoarthritis among patients in a health maintenance organization
Article first published online: 9 DEC 2005
Copyright © 1995 American College of Rheumatology
Arthritis & Rheumatism
Volume 38, Issue 8, pages 1134–1141, August 1995
How to Cite
Oliveria, S. A., Felson, D. T., Reed, J. I., Cirillo, P. A. and Walker, A. M. (1995), Incidence of symptomatic hand, hip, and knee osteoarthritis among patients in a health maintenance organization. Arthritis & Rheumatism, 38: 1134–1141. doi: 10.1002/art.1780380817
- Issue published online: 9 DEC 2005
- Article first published online: 9 DEC 2005
- Manuscript Revised: 9 MAR 1995
- Manuscript Accepted: 9 MAR 1995
- Manuscript Received: 22 OCT 1994
- Wyeth-Ayerst Laboratories
- Boston University Multipurpose Arthritis and Musculoskeletal Disease Center. Grant Number: (grant AR-20613)
- Harvard Pharmacoepidemiology Teaching and Research Fund (Fund donors include Berlex Laboratories, Inc., Boehringer Ingelheim Pharmaceuticals, Inc., The Burroughs Wellcome Fund, Ciba-Geigy Corporation, Hoffmann-La Roche, Inc., ICI Pharmaceuticals Group, Eli Lilly and Company, Merck and Company, and Pfizer, Inc.).
- National Institute of Environmental Health Sciences National Research Service Award. Grant Number: (1-T32-ES-07069)
Objective. To quantify the incidence of symptomatic hand, hip, and knee osteoarthritis (OA) among members of the Fallon Community Health Plan, a health maintenance organization located in central Massachusetts.
Methods. Incident OA was defined as the first evidence of OA by radiography (grade ≥2 on the Kellgren-Lawrence scale of 0–4) plus joint symptoms at the time the radiograph was obtained or up to 1 year before the radiograph was obtained.
Results. The age- and sex-standardized incidence rate for hand OA was 100/100,000 person-years (95% confidence interval [95% CI] 86, 115), for hip OA 88/100,000 person-years (95% CI 75, 101), and for knee OA 240/100,000 person-years (95% CI 218, 262). The incidence of hand, hip, and knee OA increased with age, and women had higher rates than men, especially after age 50. A leveling off or decline occurred for both groups around the age of 80.
Conclusion. In a large study of symptomatic OA we observed incidence rates that increased with age. In women ages 70-89, the incidence of knee OA approached 1% per year.and women had higher rates than men, especially after age 50. A leveling off or decline occurred for both groups around the age of 80.