Table 1.

The clinical and radiological information of patients and UIAs.

Characteristics	With AWE n = 14	Without AWE n = 20	P value
Age-m (IQR)-years	52 (46–67)	59 (50–63)	0.592
Male-no. (%)	7 (50.0%)	6 (30.0%)	0.341
Comorbidities-no. (%)
Hypertension	5 (35.7%)	10 (50.0%)	0.500
Dyslipidemia	1 (7.1%)	0 (0.0%)	0.743
Diabetes mellitus	1 (7.1%)	1 (5.0%)	0.931
Coronary heart diseases	4 (28.6%)	1 (5.0%)	0.259
TIA/ischemic stroke	2 (14.3%)	1 (5.0%)	0.666
Current smoking-no. (%)	4 (28.6%)	5 (25.0%)	0.877
Regular alcohol abuse-no. (%)	1 (7.1%)	1 (5.0%)	0.931
Medication using-no. (%)
Aspirin	1 (7.1%)	2 (10.0%)	0.904
Antihyperlipidemics	2 (14.3%)	5 (25.0%)	0.616
Site-no. (%)			0.743
MCA	10 (71.4%)	13 (65.0%)
ICA	2 (14.3%)	3 (15.0%)
AcomA/ACA/posterior	2 (14.3%)	4 (20.0%)
Irregular shape-no. (%)	7 (50.0%)	6 (30.0%)	0.341
Aneurysm size-m (IQR)-mm	6.8 (5.4–8.1)	6.0 (5.0–7.2)	0.416
AR-m (IQR)	1.4 (1.3–2.1)	1.2 (0.9–1.5)	0.053
SR-m (IQR)	2.1 (1.2–2.5)	1.9 (1.5–2.6)	0.796

UIA, unruptured intracranial aneurysm; AWE, aneurysm wall enhancement; TIA, transient ischemic attack; MCA, middle cerebral artery; ICA, internal carotid artery; AcomA, anterior communicating artery; ACA, anterior cerebral artery; AR, aspect ratio; SR, size ratio.