Table 1 Risk factors for recurrence after endovascular coiling of anterior communicating artery aneurysm

Patient factor

Male

24 (63.1%)

110 (49.5%)

1.75 (0.87–3.63)

0.12

Age (year)

53.58 ± 11.7

58.3 ± 10.84

0.96 (0.93–0.99)

0.01*

0.96 (0.93–0.99)

0.02*

Hypertension (%)

25 (65.7)

132 (59.4)

1.31 (0.65–2.77)

0.46

Smoking (%)

15 (39.4)

100 (45.0)

0.80 (0.39–1.59)

0.52

Aneurysm factor

Rupture (%)

21 (55.2)

56 (25.2)

3.66 (1.81–7.52)

0.001*

3.55 (1.62–7.91)

0.001*

Maximal diameter

6.3 ± 3.0

5.17 ± 2.1

1.20 (1.06–1.37)

0.005*

1.19 (1.03–1.39)

0.02 *

Size ratio

3.0 ± 1.6

2.3 ± 1.0

1.50 (1.17–1.95)

0.001*

1.07 (0.69–1.68)

0.76

Inflow angle

152.8 ± 23.0

147.9 ± 29.1

1.01 (0.99–1.02)

0.11

Dome direction

(Anterior, %)

29 (76.3)

116 (52.5)

2.94 (1.38–6.86)

0.007*

3.86 (1.67–9.94)

0.002*

Hypoplastic A1 (%)

13 (34.2)

69 (31.0)

1.15 (0.54–2.35)

0.70

Treatment factor

Stent usage (%)

5 (13.1)

47 (21.1)

0.56 (0.19–1.41)

0.25

Raymond class

(II or III, %)

18 (47.3)

75 (33.7)

1.76 (0.87–3.54)

0.10