NCOA5 and Genital ulcers: The CT genotype of the NCOA5 rs2903908 polymorphism was significantly higher in BD patients with genital ulceration (p=0.002, OR=3.03, 95 % CI=1.51-6.08), and the TT genotype was higher in BD patients without genital ulceration (p=0.014, OR=0.46, 95 % CI=0.25-0.84).