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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