Figure 1From: Humoral immune response to MUC5AC in patients with colorectal polyps and colorectal carcinomaThe ROC curve-comparing controls with colorectal carcinoma and polyp patients shows 0.618 of validity. ROC = receiving operating characterizing. The cut off level was taken as OD 0.225. At this value maximal sensitivity 54% and specificity 73% were attained.Back to article page