Comorbidities in Argentine patients with axial spondyloarthritis: Is nephrolithiasis associated with this disease?

Abstract

Objective: The objective of this study was to compare the frequency of comorbidities among patientswith ax-SpA in the general population and to evaluate the impact of these comorbidities on thefunctional status and quality of life.Methods: Patients with ax-SpA fulfilling the modified New York 1984 criteria for Ankylosing Spondylitis(AS) and/or Assessment of SpondyloArthritis International Society (ASAS ) 2009 criteria for patientswith ax-SpA belonging to the ESPAXIA cohort ("Estudio de eSPondiloartritis Axial Irep Argentina") wereincluded. Data regarding sociodemographics, comorbidities, and disease characteristics were record-ed. Statistical analysis included descriptive statistics using the student t-test, Chi-square, and Fisher’sexact test. Multiple logistic regression analysis was performed. A p value