Have radiographic progression rates in early rheumatoid arthritis changed? A systematic review and meta-analysis of long-term cohorts

This is a pre-copyedited, author-produced version of an article accepted for publication in Rheumatology following peer review. The version of record: Lewis Carpenter, et al, ‘Have radiographic progression rates in early rheumatoid arthritis changed? A systematic review and meta-analysis of long-term cohorts’ Rheumatology, Vol. 55(6): 1053-1065, 1 June 2016, is available online at DOI: https://doi.org/10.1093/rheumatology/kew004.