Table 3.

Cross modality comparison between DUS and MRA in diagnosing aneurysm reperfusion.

		MRA
		Class I	Class II/Class III
DUS	Class I	12	7
	Class II/Class III	1	3

Class I—complete occlusion; Class II—residual neck; Class III—residual aneurysm; DUS—Doppler ultrasound; MRA—magnetic resonance angiography.