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. 2011:5:91-7.
doi: 10.2174/1874312901105010091. Epub 2011 Dec 2.

Prevalence of rheumatoid arthritis in the southern part of denmark

Jens K Pedersen  1 , Anders J Svendsen, Kim Hørslev-Petersen
Affiliations

Prevalence of rheumatoid arthritis in the southern part of denmark

Jens K Pedersen et al. Open Rheumatol J. 2011.

Abstract

The aim of the present study was to estimate the prevalence of rheumatoid arthritis in the southern part of Denmark. Using a screening questionnaire, telephone interview, register data, and a clinical examination cases were ascertained from a random sample of 4995 individuals over the age of 15. As case definition we used the original and modified 1987 American College of Rheumatology classification criteria. The overall point prevalence was 0.26% (95% confidence interval: 0.13-0.39) in the total sample and 0.35% (95% confidence interval: 0.17-0.52) among the responders; the cumulative prevalence was 0.75% (95% confidence interval: 0.52-0.97) in the total sample and 0.92% (95% confidence interval: 0.62-1.21) among the responders.The cumulative prevalence was higher than in other studies combining the results of a survey with register data. The point prevalence was underestimated due to low participation rate in the clinical examination and remission among the participants.

Keywords: Rheumatoid arthritis; prevalence; registers.; survey.

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Figures

Fig. (1)
Fig. (1)
The County of South Jutland, a region in the southern part of Denmark with a 2004 population of 203,799 individuals over the age of 15.
Fig. (2)
Fig. (2)
Response to screening questionnaire, selection for clinical examination, and numbers of cases ascertained in a sample of the population in the southern part of Denmark.
See this image and copyright information in PMC

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