Table 1

Differences between acquired and hereditary angioedema due to C1-INH deficiency.

Onset < 20 y.o.

Onset >40 y.o.

Abdominal

C1q < 50%

% pts.

% pts.

% pts.

%pts

Acquired angioedema

0

94

48

70

Hereditary angioedema

12

3

87

< 5

Data are based on a personal case list of 43 patients with acquired and 448 with hereditary angioedema.

Cicardi and Zanichelli Allergy, Asthma & Clinical Immunology 2010 6:14   doi:10.1186/1710-1492-6-14