Extra-articular disease manifestations in rheumatoid arthritis: incidence trends and risk factors over 46 years.

OBJECTIVE To investigate the trends in incidence of extra-articular rheumatoid arthritis (ExRA) in a well defined community based cohort of patients with rheumatoid arthritis (RA), and to examine possible predictors of ExRA occurrence. METHODS Using the resources of the Rochester Epidemiology Project, a retrospective medical record review was conducted of… CONTINUE READING