Demographic and clinical data

Initial RG

1

N%

2

N%

3

N%

45 (59.2)

20 (26.3)

11 (14.5)

76 (100)

Age (years)

Mean ± SD

61.8 ± 11.6

61.5 ± 13.7

57.4 ± 12.1

P = 0.56

Gender

Male

Female

18 (62.1)

27 (57.4)

8 (27.6)

12 (25.5)

3 (10.3)

8 (17.0)

P = 0.72

Hypertension

33 (61.1

13 (24.1)

8 (14.8)

P = 0.78

Dyslipidemia

16 (61.5)

7 (26.9)

3 (11.5)

P = 0.85

Smoking

25 (59.5)

10 (23.8)

7 (16.7)

P = 0.81

Alcohol drinking

15 (50.0)

9 (30.0)

6 (20.0)

P = 0.37

Clinical presentation

・ Unruptured

・ Ruptured

38 (59.5)

7 (58.3)

17 (26.5)

3 (25.0)

9 (14.0)

2 (16.7)

P = 0.62

Pretreatment geometric data

Site

・ Basilar

・ Carotid

・ ACOM

・ MCA

19 (63.3)

11 (55.0)

10 (66.7)

5 (45.5)

8 (26.7)

7 (35.0)

2 (13.3)

3 (27.3)

3 (10.0)

2 (10.0)

3 (20.0)

3 (27.3)

P = 0.64

Aneurysm size

Mean ± SD

4.5 ± 2.66

9.6 ± 3.76

5.61 ± 3.36

F = 8.55

P = 0.0005*

Neck width

Mean ± SD

3.13 ± 0.88

5.22 ± 1.9

3.90 ± 1.4

F = 8.13

P = 0.001*

Aspect ratio

Mean ± SD

1.47 ± 0.54

1.35 ± 0.49

1.56 ± 0.88

F = 0.55

P = 0.58

Dome neck ratio

Mean ± SD

1.34 ± 0.51

1.4 ± 0.62

1.75 ± 0.89

F = 2.05

P = 0.14

Treatment related factors

Treatment modality

・ Simple coiling

・ Single SAC

・ Y-stenting

10 (66.7)

32 (60.4)

3 (37.5)

3 (20.0)

13 (24.5)

4 (50.0)

2 (13.3)

8 (15.1)

1 (12.5)

MC

P = 0.61

Stent used

・ Neuroform

・ Enterprise

・ Elvis

22 (61.3)

6 (66.7)

7 (53.8)

12 (29)

1 (11.1)

3 (23.1)

5 (9.7)

2 (22.2)

3 (23.1)

MC

P = 0.67