Table 5.

Analysis of the clipping factors of intracranial aneurysms

influence factor	cases	normal	adverse event	χ2	P
Age				0.04	> 0.5
≤65	166	158	8
> 65	80	73	7
Gender				0.1	> 0.1
male	113	106	7
female	133	125	8
Time,d				0.03	> 0.9
< 3	118	111	7
> 3	128	120	8
Hunt-Hess				0.004	> 0.95
< IV	154	144	10
IV to V	92	87	5
Size,mm				0.008	> 0.99
< 5	130	123	7
5 to 10	86	80	6
10 to 25	30	28	2
aneurysms				0.01	> 0.92
Multiple	5	5	0
Single	241	226	15
Orientation				0.01	> 0.99
left	133	125	8
right	113	106	7
Classification				6.06	< 0.01
Untyped	138	125	13
Typed	108	106	2
Position				3.34	> 0.75
ICA	26	25	1
ACA	17	16	1
ACoA	69	65	4
MAC	63	59	4
PCoA	61	58	3
PC	10	10	0