Abstract
Method: A cross sectional survey of the whole community aged 65 years and over, was carried out in Dicomano, a small rural town in Tuscany, Italy. Subjects were screened by geriatricians for major chronic conditions, including hip, knee, and hand OA, using diagnostic algorithms based on the American College of Rheumatology (ACR) clinical criteria. A rheumatologist examined subjects who screened positive. Disability was assessed by a World Health Organisation questionnaire.
Results: 697 of 864 eligible subjects (81% of the eligible population) were screened. OA of the knee, hand, or hip was identified by clinical ACR criteria respectively in 159, 139, and 81 subjects, and was confirmed by the rheumatologist in 158/182 (87%), 75/101 (74%), and 63.2% of cases. The estimated prevalence was 29.8%, 14.9%, and 7.7%, respectively. Only hip OA was significantly associated with disability in basic activities of daily living.
Conclusions: About one third of community dwelling older people are affected by symptomatic peripheral OA. Hip OA was strongly associated with disability.
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Figure 1.
Pattern of association of OA in peripheral joint in the Dicomano cohort.
Figure 2.
Prevalence and risk (odds ratio and 95% confidence interval, in parentheses, age and sex adjusted) of disability (need for help in one or more basic ADL), by diagnosis of OA of the knee, hip, or hand.