Intracranial stenosis at CTA vs DSA excluding DSA false-positive findings
| CTA Stenosis | DSA Stenosis | Total | |
|---|---|---|---|
| Yes | No | ||
| Yes | 42 | 3 | 45 |
| No | 1 | 595 | 596 |
| Total | 43 | 598 | 641 |
Note.—Data are number of vessel segments and relate to the CTA performance measures in parentheses in Table 5.