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KMID : 0882420070720010062
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Korean Journal of Medicine
2007 Volume.72 No. 1 p.62 ~ p.67
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The clinical characteristics of elderly onset rheumatoid arthritis.
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Park Jung-Hyeun
Lee Kyu
Park Sung-Nam
Lee Hwa-Jung
Ahn Kwang-Soon
Lee Choong-Won
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Abstract
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Background: Elderly-onset rheumatoid arthritis (EORA) is considered to be different from younger-onset rheumatoid arthritis (YORA) in clinical manifestations, laboratory indices, and in prognosis. However, the differences between these two diseases have not been clearly defined. The aim of this study was to more clearly define the clinical characteristics of EORA.
Methods: We retrospectively reviewed 50 EORA and 58 YORA patients who met the classification criteria established by the American College of Rheumatology (ACR). The two groups (EORA and YORA) were compared by three criteria. First, we considered the patterns of the joints involved and the presence of rheumatoid nodules. Second, we compared the disease activity indices and the level of auto-antibodies. Finally, we compared the use of medications.
Results: The mean age-of-onset and the women-to-men ratio in the EORA group was 66.2+/-5.5 years and 2.1:1, respectively. There was more large joint involvement seen in the EORA group. The titer of disease activity indices (ESR, CRP) and positive rate of auto-antibodies (rheumatoid factor, ANA, but not anti-CCP antibody) were also higher in the EORA group. We found no differences in the prescribed medications between the two groups.
Conclusion: From these studies, we believe that EORA has higher disease activity indices at onset and greater joint involvement, along with higher titers of auto-antibodies as compared to YORA.
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KEYWORD
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Rheumatoid arthritis, Aging
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