Background Increased risk of some comorbidities has been reported in spondyloarthritis (SpA). Knowledge about the prevalence and data related to these comorbidities and risk factors in Latin America is limited.
Objectives To determine the prevalence of several comorbidities and risk factors for these comorbidities in patients with SpA in three Latin American countries, and to compare this prevalence with the rates in the general population investigating whether the prevalence is increased.
Methods Data of 390 consecutive patients with SpA enrolled in the international cross-sectional ASAS-COMOSPA study from Argentina, Colombia and Mexico were analysed. The prevalence rates (95% CI) of arterial hypertension (AHT), tuberculosis (TB), and malignancies (colon, melanoma, lung, lymphoma, prostate, cervix and breast) were estimated with continuity correction according to the method described by Wilson. The data from Colombian general population (adjusted per gender and age group) were obtained from the CARMELA study for AHT, from the National Health Surveillance Public System for TB and HBV and from the GLOBOCAN project for malignancies. The prevalence (95% IC) in SpA patients was compared with the prevalence rates in the Colombian general population by calculating age and gender-specific prevalences for AHT, TB and HBV, and calculating gender-specific prevalences for malignancies. SPSS Statistics 22 was used to perform the statistical analysis.
Results In total 64% were male, mean age of 45 (14.7) years and disease duration of 7.0 (8.1) years. The most common comorbidities were AHT (25.3%), hypercholesterolemia (21.8%), osteoporosis (9.4%) and gastrointestinal ulcer (7.8%). The prevalence of AHT was 25.3% (95% CI 21.2 to 29.4) and was significantly higher compared with the general population 13.4% (95% CI 11.5 to 15.2). The overall prevalence of TB was 3.33% (95% CI 1.8 to 5.7) and the prevalence of HBV infection was 1.03% (95% IC 0.3 to 2.7), both increased as compared with the general population (0.03% and 0.01% respectively). There was not an increased prevalence of cancers compared with general population.
Conclusions In patients with SpA, we found a higher prevalence of hypertension, tuberculosis and hepatitis B infections in three Latin America countries as compared with general population data. A systematic evaluation and screening of these comorbidities and risk factors may help to properly monitor and detect these conditions in SpA patients.
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Disclosure of Interest None declared
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