Table 2. Clinical characteristics of subjects in the validation cohort.

	UA	RA	HC
Age (years)
< 50	4	14	21
≥ 50	26	25	9
Gender
Male	13	16	14
Female	17	23	16
Hypertension
Yes	20	20	4
No	10	19	26
Diabetes mellitus
Yes	22	38	3
No	8	1	27
Smoking
Yes	4	9	4
No	26	30	26
Drinking
Yes	2	7	6
No	28	32	24
Aneurysm Location
Anterior Circulation	18	35
Posterior Circulation	12	4
Aneurysm Size
≤ 5	19	15
> 5	11	24