55 (72.4)

13 (17.1)

8 (10.5)

76 (100)

Age (years)

Mean ± SD

62 ± 11.9

54.7 ± 13.4

64.7 ± 9

P = 0.09

Gender

・ Male

・ Female

21 (72.4)

34 (72.3)

1 (24.1)

6 (12.8)

1 (3.4)

7 (14.9)

P = 0.16

Hypertension

38 (70.4)

10 (18.5)

6 (11.1)

P = 0.85

Dyslipidemia

18 (69.2)

5 (19.2)

3 (11.5)

P = 0.93

Smoking

31 (73.8)

9 (21.4)

2 (4.8)

P = 0.13

Alcohol drinking

18 (60.0)

8 (26.7)

4 (13.3)

P = 0.13

Clinical presentation

・ Unruptured

・ Ruptured

45 (70.4)

10 (83.3)

11 (17.1)

2 (16.7)

8 (12.5)

0 (0.0)

P = 0.65

Pretreatment geometric data

Site

・ Basilar

・ Carotid

・ ACOM

・ MCA

19 (63.3)

15 (75.0)

12 (80.0)

9 (81.8)

6 (20.0)

3 (15.0)

2 (13.3)

2 (18.2)

5 (16.7)

2 (10.0)

1 (6.7)

0 (0.0)

P = 0.78

Aneurysm size

Mean ± SD

5.6 ± 3.1

7.5 ± 4.1

9.5 ± 5.2

F = 4.45

P = 0.015*

Neck width

Mean ± SD

3.81 ± 1.4

4.75 ± 2.1

5.39 ± 1.99

F = 4.73

P = 0.012*

Aspect ratio

Mean ± SD

1.45 ± 0.55

1.34 ± 0.75

1.65 ± 0.52

F = 0.69

P = 0.50

Dome neck ratio

Mean ± SD

1.38 ± 0.59

1.3 ± 0.60

1.81 ± 0.62

F = 2.02

P = 0.14

Treatment related factors

Treatment modality

・ Simple coiling

・ Single SAC

・ Y-stenting

12 (80.0)

40 (75.5)

3 (37.5)

3 (20.0)

8 (15.1)

2 (25.0)

0 (0.0)

5 (9.4)

3 (37.5)

P = 0.53

Stent used

・ Neuroform

・ Enterprise

・ Elvis

29 (83.9)

6 (66.7)

8 (61.5)

6 (9.7)

3 (33.3)

2 (15.4)

4 (6.5)

0 (0.0)

3 (23.1)

P = 0.13