Table 1.

Demographics of patients with CIU

CIU = Chronic idiopathic urticaria; CU = chronic urticaria; Fcϵ = Fc region of immunoglobulin E; Y = yes; (H) = high; N = no; (N) = normal; N/A = not available; A1, A2, A3 = subjects 1, 2, and 3 in group A; B1, B2, B3 = subjects 1, 2, and 3 in group B; C1, C2, C3 = subjects 1, 2, and 3 in group C; D1, D2, D3 = subjects 1, 2, and 3 in group D.

*Indicates patients who had a history of either allergic rhinitis or food allergy with a previous positive allergy testing result.