The objective of this study was to analyse the impact of patient demographics, disease characteristics and gross domestic product (GDP) on abatacept (ABA) retention in patients with rheumatoid arthritis (RA) treated in clinical practice. U2 - 10.1136/rmdopen-2014-000040. DO - 10.1136/rmdopen-2014-000040. M3 - Article. C2 - 26509062. VL - 1. SP ....