The International Map of Axial Spondyloarthritis Survey: A US Patient Perspective on Diagnosis and Burden of Disease

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Abstract
Objective: Axial spondyloarthritis (axSpA) is a chronic inflammatory disease that causes inflammation in the axial skeleton, resulting in structural damage and disability. We aimed to understand the effect of axSpA on work activity, day‐to‐day function, mental health, relationships, and quality of life and to examine barriers to early diagnosis.Methods: A 30‐minute quantitative US version of the International Map of Axial Spondyloarthritis survey was administered online to US patients aged 18 years and older with a diagnosis of axSpA who were under the care of a health care provider from July 22 to November 10, 2021. This analysis describes demographics, clinical characteristics, journey to axSpA diagnosis, and disease burden.Results: We surveyed 228 US patients with axSpA. Patients had a mean diagnostic delay of 8.8 years, with a greater delay in women versus men (11.2 vs. 5.2 years), and 64.5% reported being misdiagnosed before receiving an axSpA diagnosis. Most patients (78.9%) had active disease (Bath Ankylosing Spondylitis Disease Activity Index score ≥4), reported psychological distress (57.0%; General Health Questionnaire 12 score ≥3), and experienced a high degree of impairment (81.6%; Assessment of Spondyloarthritis International Society Health Index score ≥6). Overall, 47% of patients had a medium or high limitation in activities of daily living, and 46% were not employed at survey completion.Conclusion: The majority of US patients with axSpA had active disease, reported psychological distress, and reported impaired function. US patients experienced a substantial delay in time to diagnosis of axSpA that was twice as long in women versus men.
Funding Information
  • Novartis Pharmaceuticals Corporation (N/A)

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