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Review
. 2005 Jan;64(1):7-10.
doi: 10.1136/ard.2004.023044. Epub 2004 Jul 29.

Is rheumatoid arthritis disappearing?

T Uhlig  1 , T K Kvien
Affiliations
Review

Is rheumatoid arthritis disappearing?

T Uhlig et al. Ann Rheum Dis. 2005 Jan.

Abstract

During the past decades a number of studies have examined the incidence of rheumatoid arthritis (RA) in different geographical settings and at different times. Some studies from the 1970s and 1980s reported a higher incidence of RA than seen during recent years, where reported incidence numbers seems to have flattened out at a lower level. Besides a real time dependent decline of RA incidence, changing methodology in classification may be an equally important explanation. Today we may assume that annually 25-50 people from a population of 100,000 will develop typical RA.

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Figures

Figure 1
Figure 1
Geographic regions and incidence of RA.
Figure 2
Figure 2
Secular incidence of RA. The bubble size corresponds to the total number of new cases in each study (middle year of observation period plotted, numbers indicate references).
See this image and copyright information in PMC

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