RT Journal Article SR Electronic T1 Racial Differences in Clinical Features and Co-morbidities In Ankylosing Spondylitis in the United States JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.181019 DO 10.3899/jrheum.181019 A1 Singh, Dilpreet Kaur A1 Magrey, Marina YR 2019 UL http://www.jrheum.org/content/early/2019/08/25/jrheum.181019.abstract AB Objective To examine racial differences of clinical features, medication usage and comorbidities of ankylosing spondylitis (AS) patients in the US. Methods 28, 520 patients with AS were identified in the Explorys database. Data were stratified by two rheumatology visits, race, gender, clinical characteristics, medication use and co-morbidities. Data sets were recorded as proportions, which were compared using chisquared test (p<0.05). Results Of the 10,990 AS patients, 8% were African-Americans (AA) and had elevated ESR, CRP, high frequency of anterior uveitis, hypertension, diabetes, depression and heart disease. Conclusion AA with AS in the US have high disease activity and co-morbidities compared to Caucasians.