Accuracy of PSV and SNI in identifying significant (NASCET ≥ 70%) stenoses at a Doppler PSV threshold of 345 cm/s
| NASCET Stenosis | PSV Threshold | Corresponding SNI | ||
|---|---|---|---|---|
| >345 cm/s | <345 cm/s | >45.5 | <45.5 | |
| ≥70% | 9 | 6 | 12 | 3 |
| <70% | 1 | 16 | 1 | 16 |
Note.—Data are number of arteries (N = 32).