TABLE 1:
CCA calcification scale
| Grade | Calcification |
|
|---|---|---|
| Extent | Thickness (mm) | |
| 0 | None | 0 |
| 1 | Dot | 1 |
| 2 | <90° of carotid wall circumference | 2 |
| 3 | 90–270° of circumference | 3 |
| 4 | 270–360° of circumference | >3 |
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