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Table 2: Aneurysm location
Location Surgical Group (No.) (%) Endovascular Group (No.) (%)
ICA 27 (13.6) 69 (28.3)
    Cavernous – 2
    Ophthalmic – 4
    PcomA 20 54
    Anterior choroidal artery 3 –
    Bifurcation 4 9
ACA 79 (39.7) 110 (45.1)
    A1 5 1
    AcomA 66 102
    A2 8 7
MCA 89 (46.1) 24 (9.8)
    Proximal (M1) 19 3
    Bifurcation 62 19
    M2 5 2
Posterior circulation 7 (3.6) 41 (16.8)
    Vertebral artery - 1
    Basilar artery junction - 27
    SCA - 3
    PCA 1 2
    PICA 6 8
Total 199 (100) 244 (100)

Location	Surgical Group (No.) (%)	Endovascular Group (No.) (%)
ICA	27 (13.6)	69 (28.3)
Cavernous	–	2
Ophthalmic	–	4
PcomA	20	54
Anterior choroidal artery	3	–
Bifurcation	4	9
ACA	79 (39.7)	110 (45.1)
A1	5	1
AcomA	66	102
A2	8	7
MCA	89 (46.1)	24 (9.8)
Proximal (M1)	19	3
Bifurcation	62	19
M2	5	2
Posterior circulation	7 (3.6)	41 (16.8)
Vertebral artery	-	1
Basilar artery junction	-	27
SCA	-	3
PCA	1	2
PICA	6	8
Total	199 (100)	244 (100)