TRAF5 and Behcet disease: The frequencies of the rs12569232/TRAF5 CG genotype and C allele were significantly lower in BD patients (pc = 1.08×10−3, OR = 0.617; pc = 1.30×10−3, OR = 0.674, respectively), whereas a higher frequency of the GG genotype was observed (pc = 1.40×10−3, OR = 1.583) compared with controls.