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Table 2 – Urticaria diagnosis of studied population according to the EAACI/GA2LEN/EDF/WAO guidelines

From: Etiology of chronic urticaria: the Ecuadorian experience

Urticaria type Overall patients (n = 112) n (%)
Chronic Spontaneous Urticaria 86 (76.8)
 CSU of unknown etiology 61 (54.5)
 CSU of known etiology 25 (22.3)
 CSU with food allergy 12 (10.7)
 Drug associated Urticaria 5 (4.5)
 Thyroid Associated Urticaria 4 (3.6)
 Chronic Autoimmune Urticaria 4 (3.6)
Chronic Inducible Urticaria 26 (23.2)
 Symptomatic Dermographism 12 (10.7)
 Cold Urticaria 2 (1.8)
 Delayed pressure urticaria 2 (1.8)
 Solar Urticaria 1 (0.9)
 Vibratory Angioedema 6 (5.4)
 Cholinergic Urticaria 3 (2.7)
  1. All data are presented as frequencies and percentages. The chi-square goodness-of-fit test indicated that the proportions of urticaria subtypes diagnosed in the study were statistically significant (p = 0.00). CSU chronic spontaneous urticaria