Comparison of the degree of stenosis with CTA, BB MRA, TOF MRA, and DSA

Stenosis Degree on DSCTA/BB MRA/TOF MRAStenosis Degree on DSA
1%–29%30%–49%50%–69%70%–99%100%
1%–29%23/23/230/0/00/0/00/0/00/0/0
30%–49%0/0/07/7/70/0/00/0/00/0/0
50%–69%0/0/00/0/07/6/60/0/10/0/0
70%–99%0/0/00/0/01/2/214/14/110/0/0
100%0/0/00/0/00/0/00/0/21/1/1