Table 7:

Complication rates in Groups 1 and 2

	Group 1 (1994-June 2004)			Group 2 (June 2004-April 2008)
	No. of Patients	Total Patients	%	No. of Patients	Total Patients	%
Failed attempts	25	206	12.1	9	205	4.4
Intraprocedural complications
Aneurysm perforations	16	189	8.5	7	188	3.7
Thromboembolic events	16	189	8.5	6	188	3.2
Rehemorrhage	4	189	2.1	3	188	1.6
Recanalization	26	138	18.8	30	138	21.7