An epidemiologically based follow-up study of recent arthritis. Incidence, outcome and classification

@article{Isomki1987AnEB,
  title={An epidemiologically based follow-up study of recent arthritis. Incidence, outcome and classification},
  author={Heikki A Isom{\"a}ki},
  journal={Clinical Rheumatology},
  year={1987},
  volume={6},
  pages={53-59}
}
Incidence and outcome of inflammatory joint diseases (IJD) were studied by an epidemiologically based follow-up study of unselected adult arthritis patients. The annual incidence of all IJD together was 2.18‰ in the population of 16 years and older; 5.67‰ in the HLA B27 positive and 1.62‰ in the B27 negative population. Almost half of all arthritides were of non-specific nature. Incidence of definite rheumatoid arthritis was 0.42‰ per year. The outcome after 8 years was worst in seropositive… CONTINUE READING
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