MBL2 and Behcet disease: The frequencies of the MBL2/rs1800450 A allele and AA genotype in BD patients was significantly higher (Pc = 6.70 × 10−5, OR = 1.637; Pc = 2.32 × 10−3, OR = 3.204; respectively), whereas a lower frequency of the GG genotype (Pc = 1.90 × 10−3, OR = 0.6) was observed in BD compared with controls (Table 2).