Clinical features of Behçet's disease in patients in the Sultanate of Oman; the significance of antiphospholipid antibodies?

The prevalence of symptoms in 34 Omani patients with Behcet's disease (BD) was: recurrent oral ulceration 100%, arthritis/arthralgia and genital ulceration 74% each, folliculitis 64%, neurological lesions 62%, retinal vasculitis 30%, iritis and hypopyon 26%, gastrointestinal lesions 12%, venous thrombosis and cardiovascular lesions 9% each, and pleuropulmonary lesions and epididymitis 6% each. Antiphospholipid (APL) antibodies (both anticardiolipin [ACAs] and anti-beta2 glycoprotein I [abeta2GPIs]) were present in 11/34 (32%) of the BD patients and in 54/73 (74%) of Omani patients with systemic lupus erythematosus (SLE) (chi2 = 21.2, P<0.

Tribal and geographical variations of lupus in the Sultanate of Oman: a hospital-based study.

Tribal differences are demonstrated in the presentation of lupus in Omani Gulf Arabs (OGA) and Omani Arabs of Persian descent (OAP), both groups resident in and indigenous to the Sultanate of Oman. The OAP have a lower risk of joint complications, skin rash, and dsDNA antibodies than OGA (beta coefficient and 95% confidence interval [CI], -35.6, -16.