Table 3:

Occurrence of complication by time

Major Complications	<72 Hours		72 Hours–30 Days		>30 Days		P Value	Total
Major Complications	Anterior	Posterior	Anterior	Posterior	Anterior	Posterior	P Value	Total
Spontaneous rupture	0.1% (1/703)	0.0% (0/90)	0.3% (2/703)	1.1% (1/90)	0.1% (1/703)	0.0% (0/90)	.6290	0.6% (5/793)
Intracranial hemorrhage	0.4% (3/703)	2.2% (2/90)	1.6% (11/703)	0.0% (0/90)	0.6% (4/703)	0.0% (0/90)	.1363	2.5% (20/793)
Ischemic stroke	2.1% (15/703)	3.3% (3/90)	0.9% (6/703)	2.2% (2/90)	1.3% (9/703)	1.1% (1/90)	.1102	4.5% (36/793)
Parent artery stenosis	0.0% (0/703)	0.0% (0/90)	0.1% (1/703)	0.0% (0/90)	0.1% (1/703)	0.0% (0/90)	1.0000	0.3% (2/793)
Cranial neuropathy	0.0% (0/703)	0.0% (0/90)	0.3% (2/703)	0.0% (0/90)	0.0% (0/703)	0.0% (0/90)	.3331	0.3% (2/793)
Neurologic morbidity	2.6% (18/703)	5.6% (5/90)	2.8% (20/703)	2.2% (2/90)	1.8% (13/703)	1.1% (1/90)	.2757	7.4% (59/793)
Neurologic mortality	1.0% (7/703)	3.3% (3/90)	1.4% (10/703)	2.2% (2/90)	0.9% (6/703)	2.2% (2/90)	.7014	3.8% (30/793)
Neurologic morbidity and mortality (all patients)	2.8% (20/703)	5.6% (5/90)	3.1% (22/703)	4.4% (4/90)	1.8% (13/703)	3.3% (3/90)	.2543	8.4% (67/793)
Neurologic morbidity and mortality (patients with unruptured aneurysms)	2.5% (16/637)	6.0% (5/83)	2.7% (17/637)	3.6% (3/83)	1.7% (11/637)	2.4% (2/83)	.3511	7.5% (54/720)
Neurologic morbidity and mortality (patients with ruptured aneurysms)	5.8% (4/69)	0.0% (0/7)	8.7% (6/69)	14.3% (1/7)	2.9% (2/69)	14.3% (1/7)	.4768	18.4% (14/76)
Neurologic morbidity and mortality (excluding ruptured, dissecting, or fusiform aneurysms)	2.5% (14/550)	2.9% (1/35)	2.5% (14/550)	2.9% (1/35)	0.9% (5/550)	2.9% (1/35)	.0934	6.2% (36/585)