Table 1 Patient characteristics in subjects with cold-induced urticaria
|  | Total patients with cod-induced urticaria (n = 50) |
|---|---|
Female: n (%) | 35 (70) |
Age (years): median (range) | 28.5 (2–62) |
Co-occurring physical urticarias: n (%) | |
 Total with co-occurring physical urticaria | 16 (32) |
 Cholinergic | 5 (10) |
 Dermatographic | 11 (22) |
Cold induced anaphylaxis: n (%) | 2 (4) |
Cold induced angioedema: n (%) | 6 (12) |
Secondary allergic diagnoses: n (%) | |
 Total with other atopic diseases | 26 (52) |
 Allergic rhinoconjunctivitis | 17 (34) |
 Asthma | 7 (14) |
 Atopic dermatitis | 3 (6) |
 Contact dermatitis | 1 (2) |
 Food allergy | 2 (4) |
 Idiopathic anaphylaxis | 1 (2) |
 Insect sting reaction | 1 (2) |
 Medication allergy | 1 (2) |
 Oral allergy syndrome | 2 (4) |
Suspected preceding/inducting factors: n (%) | |
 Total with suspected preceding factor | 3 (6) |
 Insect sting | 1 (2) |
 Infection | 2 (4) |
Family history: n (%) | 3 (6) |