Intracranial stenosis at MRA versus DSA excluding DSA false-positive findings
| MRA Stenosis | DSA Stenosis | Total | |
|---|---|---|---|
| Yes | No | ||
| Yes | 30 | 16 | 46 |
| No | 13 | 595 | 608 |
| Total | 43 | 611 | 654 |
Note.—Data are number of vessel segments and relate to the MRA performance measures in parentheses in Table 5.