In Brief:
In this population-based study, the occurrence of rheumatoid arthritis (RA, incidence, prevalence, age of onset) was examined in the entire population of Manitoba, Canada, which was then divided into First Nations (FN, indigenous to Canada) and non-FN. FN had a higher prevalence and incidence of RA and were younger at disease onset than the non-FN. In addition FN patients had fewer rheumatology visits which probably adds to the burden this disease represents for them.
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