CD6 and Behcet disease: In the case of rs11230563 in CD6, an increased frequency of the CT genotype was observed in BD patients (Pc = 8.624 × 10−4, OR = 1.94), whereas a decreased frequency of the C allele and CC genotype (Pc = 1.371 × 10−3, OR = 0.59; Pc = 7.380 × 10−4, OR = 0.52, respectively) was found (Table 2).