Table 1.

Demographic and clinical characteristics of 223 BD patients

Gender (M:F)	110:113
Age at diagnosis (years, mean ± SD)	43.1 ± 10.0
Disease duration (years, mean ± SD)	12.8 ± 9.2
Clinical manifestations	n (%)
Oral ulcer	223 (100)
Genital ulcer	159 (71.3)
Skin lesions	180 (80.7)
Positive pathergy test	94/182 (51.6)
Uveitis	85 (38.1)
Retinal vasculitis	10 (4.5)
Joint involvement	125 (56.1)
Vascular involvement	33 (14.8)
Central nervous system involvement	10 (4.5)
HLA-B*51†	81 (36.3)

†HLA-B*51 in controls = 282/1,398 (20.2%); P < 0.0000001; SD, standard deviation.