1996 Volume 45 Issue 1 Pages 156-160
We report on the epidemiology of Rheumatoid Arthritis in Tusima island.
(1) There were 128 RA patients (male 27, female 101) with a prevalence of 0.36%. The annual incidence in Tusima island is 0.025%.
(2) About 25% of RA patients were are older than 70 years of age.