• Eur. J. Intern. Med. · Jun 2024

    Primary Sjögren's syndrome in Italy: Real-world evidence of a rare disease through administrative healthcare data.

    • Giacomo Cafaro, Carlo Perricone, Giulia Ronconi, Silvia Calabria, Letizia Dondi, Leonardo Dondi, Antonella Pedrini, Immacolata Esposito, Roberto Gerli, Elena Bartoloni, and Nello Martini.
    • Rheumatology Unit, Department of Medicine and Surgery, University of Perugia, Perugia, Italy.
    • Eur. J. Intern. Med. 2024 Jun 1; 124: 122129122-129.

    ObjectivesPrimary Sjögren's syndrome (pSS) is a systemic autoimmune disease with significant impact on morbidity, mortality, and quality of life. This study aimed to evaluate epidemiology, healthcare needs and related costs of pSS patients from the Italian National Health Service perspective.MethodsFrom the Fondazione Ricerca e Salute's database (∼5 million inhabitants/year), pSS prevalence in 2018 was calculated. Demographics, mean healthcare consumptions and direct costs at one year following index date (first in-hospital diagnosis/disease waiver claim) were analysed through an individual direct matched pair case-control analysis (age, sex, residency).ResultsIn Italy, 3.8/10,000 inhabitants were identified as affected by pSS (1,746 case: 1,746 controls) in 2018. In the year following index date, 53.7% of cases and 42.7% of controls received ≥1 drug (p<0.001); mean per capita cost was €501 and €161, respectively (p<0.01). At least one hospitalization occurred to 7.8% of cases and 3.9% of controls (p<0.001) with mean per capita costs of €416 and €129, respectively (p = 0.46). At least one outpatient specialist service was performed in 49.8% of cases and 30.6% of controls (p<0.001); mean per capita costs were €200 and €75, respectively (p<0.01). Overall, mean annual costs were €1,171 per case and €372 per control (p < 0.01).ConclusionAccording to results of this population-based study, the prevalence of pSS in Italy appears to be consistent with the definition of rare disease. Patients with pSS have higher pharmacological, in-hospital and outpatient specialist care needs, leading to three-times higher overall cost for the INHS, compared to the general population.Copyright © 2024 The Author(s). Published by Elsevier B.V. All rights reserved.

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