Table 2

General characteristic of patients reporting attacks

Patients reporting angioedema attacks (n=133)Statistics
Age (years), mean (SD)43 (16.9)
Female patients, n (%)85 (64)
C1-inhibitor deficiency-hereditary angioedema type I, n (%)126 (95)
Patients on long-term prophylaxis*, n (%)29 (22)
 Danazol15
 Stanozolol11
 Tranexamic acid3
No of attacks per patient per year, mean (SD)11 (16)
No of attacks per patient per year, median (IQR)22 (14)
Frequency of attacks per year, no of patients (%)
 121 (15.8)
 2–541 (30.8)
 6–1030 (22.5)
 11–2019 (14.3)
 21–309 (6.8)
 >3013 (9.8)
  • *The number includes two patients who reported being on long-term prophylaxis just for 3 and 4 months from their first attack.