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Table 1 Results of the physical examinations and laboratory tests at the initial evaluation

From: Diagnosis of Behçet’s disease: clinical characteristics, diagnostic criteria, and differential diagnoses

Symptom/Sign/Lab test No. positive (Percent) Comments
Oral lesions 219 (92%) Most common: ≤3 round lip lesions, 1-5 mm in size
Ocular lesions 105 (44.1%) Posterior uveitis was the most common pathology (49 patients), followed by anterior uveitis (25 patients)
Genital lesions 87 (36.6%)  
Articular involvement 38 (16%) Mechanical joint pain was more common than inflammatory arthritis
Gastrointestinal 31 (13%) Diarrhea was the most common symptom (15 patients), followed by nausea, and rectorrhagia
Neurologic involvement 17 (7.3%) Seizure was the most common (9 patients)
Erythema Nodosum 15 (6.3%)  
Cardiovascular 13 (5.6%) DVT in 5 patients and pulmonary thromboembolism in 3 patients
Pseudofolliculitis 4 (1.7%)  
Positive Pathergy reaction 30 (12.6%) A positive pathergy reaction was the reason for referral in 5 patients
Human Leukocyte antigens
 HLA-B5 138 (58%)  
 HLA-B51 114 (47.9%) A positive HLA-B51 antigen was the primary reason for referral in 35 patients
 HLA-B27 15 (6.3%)  
  1. Note that total is > 100% due to multi-organ involvement
  2. DVT Deep-vein thrombosis, HLA Human leukocyte antigen