Does non-erosive rheumatoid arthritis exist? A cross-sectional analysis and a systematic literature review

Objective: To evaluate the prevalence and factors associated with non-erosive rheumatoid arthritis (RA). Methods: First, a cross-sectional analytical study was performed. Non-erosive disease, defined as the absence of any erosion on X-rays after 5 years of RA, was evaluated in 500 patients. Further...