Table 2. Risk factors for Angiographic Recurrence after Endovascular Treatment in ris-VADAs (n = 54).

Variables	Cure, Improvement,and Stability (n = 49)	Recurrence(n = 5)	Total	pValue
Age, y, Mean±SD	49.51±10.29	40.20±9.26		0.080
Sex, n (%)				0.348
Male	23 (85)	4 (15)	27
Female	26 (96)	1 (4)	27
Hunt&Hess Scale, no. (%)				0.440
I–II	36 (88)	5 (12)	41
III–IV	13 (100)	0 (0)	13
PICA Involvement				0.394
Yes	24 (86)	4 (14)	28
No	25 (96)	1 (4)	26
Aneurysmal Type, no. (%)				0.550
Dilatation without stenosis	27 (87)	4 (13)	31
Dilatation with stenosis	22 (96)	1 (4)	23
Blood Supply to Basilar Artery				1.000
Predominant	11 (92)	1 (8)	12
Equal	37 (88)	5 (12)	42
Treatment Interval				0.245
≤72 h	31 (86)	5 (14)	36
>72 h	18 (100)	0 (0)	18
Stent(s) Implantation, no. (%)				0.104
Single stent+coils	25 (83)	5 (17)	30
Multiple stents+coils	24 (100)	0 (0)	24
Maximum dimension (mm)
<10	31 (94)	2 (6)	33	0.300
10–25	17 (81)	4 (19)	21
Coils, no. (%)				0.216
Bare Coils	30 (86)	5 (14)	35
Modified (Hydrocoil/soft) Coils	19 (100)	0 (0)	19
Immediate Obliteration Grade, no. (%)				0.031
Complete obliteration	30 (100)	0 (0)	30
Partial obliteration	19 (79)	5 (21)	24

ris-VADAs, the ruptured intracranial spontaneous vertebral artery dissection aneurysms; PICA, the posterior inferior cerebellar artery.