Table 3. Difference in outcomes between MCA aneurysms treated by coil embolization and those treated by surgical clipping.

	Coil embolization	Clipping
Success rate
Complete occlusion	84.6% (22/26)	96.7% (59/61)
Neck remnant	15.4% (4/26)	3.3% (2/61)
Complication rate	19.2% (5/26)	13.1% (8/61)
Morbidity rate	3.8% (1/26)	3.3% (2/61)
Mortality rate	0% (0/26)	0% (0/61)
Retreatment rate	0% (0/26)	0% (0/61)

MCA: middle cerebral artery