Demographic and clinical data

Recanalization

No

Yes

65 (85.5)

11 (14.5)

76 (100)

Age (years)

Mean ± SD

60.9 ± 12.8

62.1 ± 7.9

P = 0.77

Gender

・ Male

・ Female

26 (89.7)

39 (83.0)

3 (10.3)

8 (17.0)

P = 0.72

Hypertension

45 (83.3)

9 (16.7)

P = 0.39

Dyslipidemia

22 (84.6)

4 (15.4)

P = 0.89

Smoking

37 (88.1)

5 (11.9)

P = 0.48

Alcohol drinking

24 (80.0)

6 (20.0)

P = 0.27

Clinical presentation

・ Unruptured

・ Ruptured

54 (84.4)

11 (91.7)

10 (15.6)

1 (8.3)

P = 0.73

Pretreatment geometric data

Site

・ Basilar

・ Carotid

・ ACOM

・ MCA

23 (76.7)

17 (85.0)

14 (93.3)

11 (100)

7 (233)

3 (15.0)

1 (6.7)

0 (0.0)

P = 0.22

Aneurysm size

Mean ± SD

5.9 ± 3.4

8.8 ± 4.9

t = −2.31

P = 0.012*

Neck width

Mean ± SD

3.9 ± 1.54

5.30 ± 1.81

t = −0.29

P = 0.01*

Aspect ratio

Mean ± SD

1.40 ± 0.54

1.74 ± 0.78

t = −1.83

P = 0.07

Dome neck ratio

Mean ± SD

1.36 ± 0.60

1.71 ± 0.58

t = −1.82

P = 0.07

Treatment related factors

Treatment modality

・ Simple coiling

・ Single SAC

・ Y-stenting

14 (93.3)

46 (86.8)

5 (62.5)

1 (6.7)

7 (13.2)

3 (37.5)

P = 0.11

Initial RG

・ Complete occlusion

・ Residual neck

・ Body filling

N (%)

39 (60.0)

16 (24.6)

10 (15.4)

N (%)

6 (54.6)

4 (36.4)

1 (9.0)

P = 0.57

Packing density

・ ≤24

・ >24

N = 42

26 (61.9)

16 (38.1)

N = 9

3 (33.3)

6 (66.7)

P = 0.39

Stent used

・ Neuroform

・ Enterprise

・ Elvis

33 (90.3)

8 (88.9)

10 (76.9)

6 (9.7)

1 (11.1)

3 (23.1)

P = 0.55