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Table 2 Characteristics of non-HAE attacks per patient (n = 104)

From: Clinical similarities among bradykinin-mediated and mast cell-mediated subtypes of non-hereditary angioedema: a retrospective study

Prodromal symptoms 64 (62)*
Pruritus 17 (16)
Paresthesia 15 (14)
Erythema 1 (1)
Other 30 (28)
Multiple locations 66 (63)
Duration of attacks 50% improved
Face 23**
Oropharynx 15.2
Peripheral 30.3
Abdominal 8.7
  100% resolved
Face 57**
Oropharynx 37.8
Peripheral 66.6
Abdominal 33
Frequency of attacks  
<1 per year 14 (13)*
>1 per year but <1x per month 37 (36)
>1 per month but <1x per week 21 (20)
>1 per week 19 (18)
Daily 4 (4)
Unknown 9 (9)
  1. *Data is presented as numbers and percentages; **data presented as median hours.