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Table 4 Trigger factors

From: Hereditary angioedema due to C1 - inhibitor deficiency in Switzerland: clinical characteristics and therapeutic modalities within a cohort study

Trigger factor Number of patients women men
All 77 46 31
Emotions 53 33 (72 %) 20 (64 %)
Trauma / Mechanical trigger 47 27 (59 %) 20 (64 %)
Foodstuff / allergies 33 20 (43 %) 13 (42 %)
Infection 21 13 (28 %) 8 (26 %)
Hormones 35 34 (74 %) 1 (3 %)
None 27 11 (24 %) 16 (57 %)
  1. Percentages relate to the total of women or men who noticed trigger factors