Identifying parameters associated with delayed diagnosis in axial spondyloarthritis: Data from the European map of axial spondyloarthritis

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Abstract

Objective: To identify the parameters associated with self-reported diagnostic delay (DD) in axial spondyloarthritis (axSpA) patients across Europe. Methods: Data from 2652 patients from 13 countries who participated in the European Map of Axial Spondyloarthritis (EMAS) were collected through an online survey (2017-2018). DD was calculated as the difference between age at diagnosis and age at symptom onset reported by participants. Associations between DD and sociodemographic characteristics, as well as disease-related factors were explored through univariable and multivariable linear regression analysis. Results: Average DD was 7.4 (8.4) years with a variation between countries. The variables associated with longer DD in the final multivariable regression model were: Younger age at symptom onset (b =-0.26; 95% CI:-0.28,-0.23), female gender (b = 1.34; 95% CI: 0.73, 1.96) and higher number of health-care professionals (HCPs) seen before diagnosis (b = 1.19; 95% CI: 0.95, 1.43). There was a significant interaction between the female gender and the number of HCPs seen before diagnosis. A substantial variation of the DD across European countries was observed. Conclusion: In this sample of axSpA patients, average DD was greater than 7 years. Younger age at symptom onset, female gender, higher number of HCPs seen before diagnosis, and being diagnosed by rheumatologist were the parameters associated with a longer DD in axSpA. These findings indicate a need for continuing efforts dedicated to recognition of patients with a high probability of axSpA on the level of non-rheumatology specialists and facilitating referral to a rheumatologist for timely diagnosis.

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Garrido-Cumbrera, M., Navarro-Compán, V., Bundy, C., Mahapatra, R., Makri, S., Correa-Fernández, J., … Poddubnyy, D. (2022). Identifying parameters associated with delayed diagnosis in axial spondyloarthritis: Data from the European map of axial spondyloarthritis. Rheumatology (United Kingdom), 61(2), 705–712. https://doi.org/10.1093/rheumatology/keab369

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