IFNG and inflammatory bowel disease: Further, in controls and in IBD patients both IL-2 (r2 = 0.1384, p=0.0072 and r2 = 0.2258, p=0.0141, respectively) and IFN-γ (r2 = 0.09839, p=0.0287 and r2 = 0.2193, p=0.0158, respectively) levels correlated positively with antibody levels.