Table 1.

Demographics and clinical characteristics of HAE patients with or without DA labels.

	Total (n = 41)	With DA label (n = 9)	Without DA allergy (n = 32)	P-value
Male	20 (48.8%)	3 (33.3%)	17 (53.1%)	0.454
Age of HAE diagnosis (years)	37.9 ± 20.3	46.4 ± 11.6	35.5 ± 21.7	0.056
Symptomatic HAE	27 (65.9%)	9 (100%)	18 (56.3%)	0.017
Delay in diagnosis (years)	13.1 ± 14.7	23.8 ± 11.1	10.2 ± 14.3	0.012
Frequency of HAE attacks
More than 1 attack per year	24 (58.5%)	9 (100%)	15 (46.9%)	0.005
More than 5 attacks per year	11 (26.8%)	7 (77.8%)	4 (12.5%)	<0.001

Drug allergy (DA). 2 cohorts; with DA label and without DA.