Table 3:

Morphology of CA and MRA stenoses

Morphology	MRA (n = 56)	CA (n = 54)	P Value
Smooth	45 (80.4%)	45 (83.3%)	.80
Irregular	11 (19.6%)	9 (16.7%)	.80
Concentric	54 (96.4%)	50 (92.6%)	.57
Eccentric	2 (3.6%)	4 (7.4%)	.57
Graduated	11 (19.6%)	11 (20.4%)	.95
Single	52 (92.9%)	48 (88.9%)	.64
Beading	6 (10.7%)	6 (11.1%)	.97
Multiple	2 (3.6%)	6 (11.1%)	.33

Note:— CA indicates conventional angiography; MRA, MR angiography. Data exclude occlusions and aneurysms.