Table 1:

Comparison of CTA versus CE-MRA, CTA versus 2D TOF MRA, and CE-MRA versus 2D TOF MRA stenosis scores

TechniquesDifference
NoneBy 1By 2By 3By 4
CTA vs CE-MRA265/354 (75%)72/354 (20%)13/354 (4%)2/354 (0.5%)2/354 (0.5%)
CTA vs 2D TOF MRA227/354 (64%)104/354 (29%)20/354 (6%)0/354 (0%)3/354 (1%)
CE-MRA vs 2D TOF MRA250/354 (71%)85/354 (24%)15/354 (4%)3/354 (0.75%)1/354 (0.25%)
  • Note:—CTA indicates CT angiography; CE-MRA, contrast-enhanced MR angiography; TOF MRA, time-of-flight MR angiography.