TABLE I.

Characteristics of patients with CIU

Characteristic	CIU-SC (n = 103)	CIU-NSC (n = 52)	P value*
Age (y), mean ± SD, y	41.4 ± 13.8	45.9 ± 13.1	.05
Sex: female, %	68.9	69.2	.97
White, %	79.6	78.9	.95
Disease duration >4 y, %	51.5	30.8	.01
Number of corticosteroid taper in the past 1 y, mean ± SD	1.6 ± 1.3	0.9 ± 1.2	.002
Number of corticosteroid taper in CIU lifetime, mean ± SD	2.3 ± 1.1	1.6 ± 1.3	<.001
> 1 visit to the ED for CIU in the past 1 y, %	41.7	23.1	<.001
> 1 d of work or school absence in CIU lifetime, %	65	27.5	<.001
Oral corticosteroids used for CIU, %	84.5	59.6	.002
Antihistamines used for CIU, %	99	100	.32
Antileukotrienes used for CIU, %	45.6	38.5	.40
Antidepressants used for CIU, %	54.4	40.4	.10

ED, Emergency department.

^*CIU-SC vs CIU-NSC.