Abstract
Objectives
The present work was conducted to estimate the prevalence of adult Behçet’s disease (BD) in adult Egyptian and to study the clinical pattern and influence of age at-onset and sex on disease phenotype. Also, we investigated the spectrum of presentation and frequencies along the north-to-south gradient of the country.
Patients and method
The population-based, multicenter, cross-sectional study included 1526 adult BD patients from 26 specialized Egyptian rheumatology centers. Demographic, clinical, and therapeutic data are assessed for all patients.
Results
The mean age of patients was 35.7 ± 9.84 years, disease duration 6.58 ± 5.25 years, and age at onset 29.37 ± 8.6 years; 91 were juvenile-onset (JoBD). There were 1102 males and 424 females (M:F 2.6:1). Regarding co-morbidities, 19.92% were diabetic, and 26.05% were hypertensive. The mean body mass index was 27.57 ± 5.24 (43.1% overweight; 25.9% obese). The mean BD current activity form was 4.48 ± 4.28. Regarding the medications use, systemic steroid and colchicine were the most common drugs used (947 (90.2%) and 611 (82.7%), respectively). The overall estimated prevalence of BD in Egypt was 3.6/100,000 population being highest in the two main cities: Alexandria (15.27) and Cairo (8.72). Pathergy test was positive in 43.4%. 90.2% were receiving systemic steroids and 8.3%, biologics. Disease characteristics were comparable between JoBD and adult-onset BD cases. Central nervous system (CNS), deep venous thrombosis (DVT), and gastrointestinal (GIT) involvement were significantly higher in males (p = 0.01, p = 0.001, and p = 0.001 respectively) while joint affection (p = 0.001) and disease activity (p = 0.011) were increased in females.
Conclusions
This study provides current prevalence of BD in Egypt; 3.6/100,000 with no remarkable north-to-south gradient. The sex influences the disease phenotype with the CNS, DVT, and GIT involvement are higher in males, while the joint affection and disease activity were increased in females.
Key Points
• The prevalence and phenotype of Behçet’s disease across Egypt is presented in a multicenter nationwide study.
• The potential influence of the age at onset and sex on disease phenotype is highlightened.
• A review of the literature worldwide is presented allowing comparisons with studies from other nations.
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Change history
13 July 2019
The author wishes to correct the record and clarify that in the original version of this article in the Discussion section under “Prevalence over the country governorates” inadvertently presented incorrect data cited in the reference [30].
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Gheita, T.A., El-Latif, E.A., El-Gazzar, I.I. et al. Behçet’s disease in Egypt: a multicenter nationwide study on 1526 adult patients and review of the literature. Clin Rheumatol 38, 2565–2575 (2019). https://doi.org/10.1007/s10067-019-04570-w
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DOI: https://doi.org/10.1007/s10067-019-04570-w