Table 5:

Treatment modality with regard to aneurysm neck diameter

Treatment Modality	All IAs		<4 mm		≥4 mm		P Value
Treatment Modality	No.	%	No.	%	No.	%	P Value
Coiling alone	650	47.8	511	55.2	139	32.0	<0.001
Balloon-assisted coiling	552	40.6	375	40.5	177	40.8	.93
Stent-assisted coiling	49	3.6	17	1.8	32	7.4	<0.001
Flow diversion	65	4.8	17	1.8	48	11.1	<0.001
Flow disruption	41	3.0	5	0.5	36	8.3	<0.001
Parent vessel occlusion	2	0.2	0	0	2	0.5	.10
Total	1359	100	925	100	434	100