Abstract O-008 Table 1

Ruptured aneurysm location by maximum aneurysm sac dimension

Aneurysm location	≤5 mm	%	6–9 mm	%	≥10 mm	%	Total	%
All	297	48.5	210	34.3	106	17.3	613	100
Anterior circulation	204	51.3	120	30.2	74	18.6	398	64.9
ACOM	131	58.5	67	29.9	26	11.6	224	36.5
MCA	35	42.2	26	31.3	22	26.5	83	13.5
ICA	24	34.3	24	34.3	22	31.4	70	11.4
Posterior circulation	93	43.3	90	41.9	32	14.9	215	35.1
PCOM	53	44.2	56	46.7	11	9.2	120	19.6
Basilar	16	33.3	17	35.4	15	31.3	48	7.8
PICA	14	63.6	5	22.7	3	13.6	22	3.6