Table 2.
SWE velocities (m/s) grouped according to AHA type. Data given as mean ± standard deviation.
| Velocity type | Imaging plane | Type III | Type V | Type VI | Type VII |
|---|---|---|---|---|---|
| Group vel | L | 4.2 ± 1.1 | 4.0 ± 1.1 | 5.8 ± 0.6* | 4.1 ± 1.0 |
| T | 3.6 ± 1.3 | 3.3 ± 0.7 | 7.3 ± 2.5** | 3.1 ± 0.6 | |
|
Phase vel 200–300 Hz |
L | 3.0 ± 0.7 | 4.0 ± 1.1 | 4.6 ± 1.1 | 3.8 ± 2.2 |
| T | 3.0 ± 1.3 | 3.0 ± 1.5 | 3.5 ± 1.2 | 2.5 ± 0.4 | |
|
Phase vel 300–400 Hz |
L | 3.8 ± 1.0 | 4.1 ± 1.5 | 6.1 ± 2.1 | 4.8 ± 2.4 |
| T | 3.3 ± 2.5 | 3.2 ± 1.5 | 5.0 ± 2.5 | 3.4 ± 0.6 | |
|
Phase vel 400–500 Hz |
L | 4.8 ± 1.7 | 4.1 ± 1.9 | 7.0 ± 1.4* | 4.6 ± 1.9 |
| T | 4.1 ± 1.8 | 4.3 ± 1.4 | 5.2 ± 2.1 | 4.1 ± 0.8 |
*(p < 0.05) or **(p < 0.01) indicates statistical differentiation from all other plaque types at that velocity and imaging plane. L = longitudinal view, T = transverse view.