Table 2.

Demographic and clinical features of C1-INH-HAE patients

Demographic features and clinical patterns (n = 10)	Findings/years
Mean age, years	54
Gender
Female	9
Male	1
HAE type
Type I	7
Type II	3
Family history
Yes	6
No	4
Median age at onset of symptoms, years	15.0 (range 6–53 years)
Median age at diagnosis, years	45.5 (range 19–56 years)
Median time from symptoms to diagnosis, years	20.5 (range 3–37 years)