Severe extraarticular manifestations in a community based cohort of patients with rheumatoid arthritis : Risk factors and incidence in relation to treatment with tumor necrosis factor inhibitors
Objective. The aims of this study were to evaluate whether treatment with tumor necrosis factor (TNF) inhibitors in patients with rheumatoid arthritis (RA) affects the risk of developing severe extraarticular rheumatoid arthritis (ExRA) manifestations and to investigate potential predictors for developing ExRA. Methods. A dynamic community-based cohort of patients with RA was studied (n = 1977). C