Vasculitis & polymyalgia rheumatica
The epidemiology of Behçet's disease in Brazil: a study in Goiânia and its metropolitan area
Authors' conclusion
The prevalence of BD in Goiânia and in its metropolitan area is higher than that previously reported in Brazil. At diagnosis, BD patients were predominantly adults and the disease mostly affected females, as well as Whites and Mestizos.
Study context
- Population
- Patients with a diagnosis of Behçet's disease (BD) living in the metropolitan area of Goiânia, Brazil, with at least one medical appointment in 2022; rheumatologists in public and private practice
- Participants
- 73 patients
- Outcome
- Epidemiology of BD (prevalence and incidence)
- Follow-up
- 2022
Methodological detailsepidemiological study, All rheumatologists working in public and private practice were invited to participate
- Epidemiological study
- All rheumatologists working in public and private practice were invited to participate
Main finding
As reported in the abstract
Prevalence of BD
Prevalence in Goiânia
4.52 cases/100,000
Prevalence in greater Goiânia area
3.27 cases/100,000
Observational data: associations, not effects.
Further findings
Estimated incidence of BD · past 10 years
- Incidence range in Goiânia
- 0.14 to 0.45 cases/100,000/year
- Incidence range in greater Goiânia area
- 0.14 to 0.38 cases/100,000/year
Age and time to diagnosis
- Mean age at symptom onset, years
- 32.1±12.8
- Median age at diagnosis, years (IQR 26.0-45.0)
- 33.0
- Median time from symptom onset to diagnosis, years (IQR 2.0-9.0)
- 3.0
- Diagnosed before age 18
- three (4.1%)
Demographics
- Female-to-male ratio
- 3.3:1.0
- From private practices
- 64.4%
- White
- 57.5%
- Mestizo
- 35.9%
- Black
- 4.1%
- Indigenous
- 2.7%
Original publication
The epidemiology of Behçet's disease in Brazil: a study in Goiânia and its metropolitan area. Clin Exp Rheumatol. Published 19 January 2026. doi:10.
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