IL33 and Crohn disease: However, no significant correlations were observed between the serum IL-33/sST2 ratio and the partial Mayo scoring index (pMayo) score in patients with UC, the Crohn’s disease activity index (CDAI)24, in patients with CD, or the disease activity index in patients with intestinal Behçet’s disease (DAIBD)25 (Fig. S1b).