The Influence of Sex on Early Axial Spondyloarthritis, 6-Year Longitudinal Analyses From a Large National Cohort

2021 ◽  
Author(s):  
Krystel Aouad ◽  
Anne Tournadre ◽  
Florian Lucasson ◽  
Daniel Wendling ◽  
Anna Molto ◽  
...  
Keyword(s):  
Axial Spondyloarthritis ◽  
Longitudinal Analyses ◽  
National Cohort

scholarly journals The Prevalence and Characterization of Axial Spondyloarthritis Among Veterans with Inflammatory Bowel Disease

2019 ◽  
Vol 1 (1) ◽  
Author(s):  
Mark Salem ◽  
Hoda Malaty ◽  
Karla Criner ◽  
Liron Caplan ◽  
Jason Hou
Keyword(s):  
Inflammatory Bowel Disease ◽  
Bowel Disease ◽  
Predictive Value ◽  
Chart Review ◽  
Axial Spondyloarthritis ◽  
Diagnostic Code ◽  
National Cohort ◽  
Inflammatory Bowel ◽  
Estimate Prevalence

Abstract Background Axial spondyloarthritis (axSpA) includes ankylosing spondylitis and inflammatory spinal disease. We validated an algorithm to identify patients with axSpA and examine the prevalence of axSpA in inflammatory bowel disease (IBD) patients. Methods Diagnostic code algorithms to identify patients with axSpA were compared using a sample of randomly selected patients for chart review and used to estimate prevalence in a national cohort of IBD patients. Results Using the best performing algorithm for axSpA among IBD patients [>3 codes and >90 days between encounters (positive predictive value = 0.813, negative predictive value = 0.742)], 1545 cases of axSpA were identified among 77,824 IBD patients, a prevalence of 1.99%. Fifty-five percent of patients were diagnosed with IBD before axSpA, 24% were diagnosed concurrently, and 21% of patients were diagnosed with axSpA before IBD.

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