Table 1.

Clinical characteristics of participants with unruptured intracranial aneurysm and healthy control.

	UIA patients with AWE (n = 12)	UIA patients with non-AWE (n = 6)	Healthy control (n = 5)	P Value
Age (yr)	53.0 ± 13.9	45.2 ± 10.3	24.8 ± 2.5	0.001
Female	8 (66.7%)	2 (33.3%)	0	0.035
Hypertension	7 (58.3%)	2 (33.3%)	0	0.076
Smoking	2 (16.7%)	2 (33.3%)	0	0.379
Size	6.15 (3.8-16.2)	4.15 (3.2-6.5)	N/A	0.025
Location				0.083
Anterior circulation	11 (91.7%)	14 (77.8%)	N/A
Posterior circulation	1 (8.3%)	3 (50%)	N/A
Irregular shape	7 (58.3%)	2 (33.3%)	N/A	0.620
CRstalk	0.48 (0.32-0.75)	0.23 (0.07-0.26)	N/A	0.001
hsa_circ_0007990	4.19 ± 1.48	1.78 ± 0.51	1.00 ± 0.19	< 0.001

AWE, aneurysm wall enhancement; CRstalk, aneurysm-to-pituitary stalk contrast ratio; UIA, unruptured intracranial aneurysm.

N/A, Not available.