Table 5. Location of multiple aneurysms.

Anterior circulation	ICA	MCA	ACA	AcoA	PcoA	AChA	PA	CMA	Sub-total
Males	29	22	7	18	36	0	1	0	113
Females	61	32	12	21	115	1	3	1	246
Sub-total	90	54	19	39	151	1	4	1	359
Posterior circulation	VA	BA	PCA	PICA	SCA				Sub-total
Males	4	5	1	0	4				14
Females	1	10	4	1	2				18
Sub-total	5	15	5	1	6				32
Mirrored aneurysms	ICA	MCA	ACA	PcoA	VA	PCA	SCA		Sub-total
Males	4	4	0	8	0	0	1		17
Females	3	1	1	36	0	1	0		42
Sub-total	7	5	1	44	0	1	1		59

Abbreviations see table 3.