. Author manuscript; available in PMC: 2020 May 11.

Published in final edited form as: J Magn Reson Imaging. 2019 May 1;51(1):183–194. doi: 10.1002/jmri.26773

TABLE 2.

Results of MRA Stenosis Score

	Left			Right
MRA score	ACA	MCA	PCA	ACA	MCA	PCA	Total
Normal	3 (23%)	4 (31%)	13 (100%)	4 (31%)	3 (23%)	12 (92%)	39 (50%)
Mild/moderate	5 (38%)	4 (31%)	0 (0%)	6 (46%)	8 (62%)	1 (8%)	24 (31%)
Severe/occluded	5 (38%)	5 (38%)	0 (0%)	3 (23%)	2 (15%)	0 (0%)	15 (19%)

The denominator of each percentage is the number of subjects (13), except in the “Total” column, where it is the total number of cerebral arteries (78). ACA: anterior cerebral artery, MCA: middle cerebral artery, PCA: posterior cerebral artery.