Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Segment of carotid artery involved and Degree of Stenosis.
| Segment of the Carotid Artery Involved | Degree of Stenosis | Total | |||||
|---|---|---|---|---|---|---|---|
| < 40 | 40 - 50 | 50 - 60 | >70 | Total Occlusion | None | ||
| CCA | 11 | 9 | 1 | 21 | |||
| CB | 6 | 3 | 9 | ||||
| ICA | 3 | 1 | 1 | 5 | |||
| Multiple Segments | 7 | 6 | 5 | 2 | 20 | ||
| Normal | 7 | 7 | |||||
| Total | 24 | 21 | 6 | 3 | 1 | 7 | 62 |
