Table 4 Magnitude of variance components for QUS measurements computed for the images recorded in transverse view
QUS measurements | Relative variance proportions for images recorded in transverse view (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S | E | V | I | SE | SV | SI | EV | EI | VI | SEV | SEI | SVI | EVI | SEVI | |
Geometric | |||||||||||||||
Area (CSA) | |||||||||||||||
Sympt | 92.8 | 0.0 | 0.0 | 0.0 | 3.0 | 0.1 | 0.2 | 0.0 | 0.0 | 0.1 | 0.9 | 0.0 | 0.4 | 0.0 | 2.4 |
Asympt | 86.8 | 0.0 | 0.0 | 0.0 | 3.9 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 1.6 | 1.3 | 0.0 | 0.1 | 6.3 |
Thickness | |||||||||||||||
Sympt | 92.6 | 0.0 | 0.0 | 0.0 | 3.3 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 1.9 | 0.4 | 0.0 | 0.1 | 1.5 |
Asympt | 74.5 | 0.0 | 0.0 | 0.0 | 8.7 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 2.1 | 3.9 | 0.0 | 0.0 | 10.5 |
Width | |||||||||||||||
Sympt | 80.4 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.4 | 2.1 | 0.0 | 0.0 | 0.0 | 15.0 |
Asympt | 71.0 | 2.3 | 0.1 | 0.0 | 7.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 6.8 | 1.6 | 1.6 | 0.1 | 9.2 |
Grayscale histogram | |||||||||||||||
Echogenicity | |||||||||||||||
Sympt | 81.3 | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 6.1 | 1.5 | 1.5 | 0.4 | 4.6 |
Asympt | 73.2 | 5.0 | 0.0 | 0.0 | 4.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.3 | 0.0 | 1.6 | 0.0 | 13.9 |
Variance | |||||||||||||||
Sympt | 31.2 | 13.7 | 0.0 | 0.0 | 9.4 | 0.0 | 0.0 | 0.0 | 0.1 | 0.8 | 26.3 | 5.1 | 4.5 | 0.2 | 8.6 |
Asympt | 49.9 | 10.1 | 0.0 | 0.0 | 6.7 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 10.7 | 2.8 | 2.0 | 0.0 | 16.5 |
Skewness | |||||||||||||||
Sympt | 42.9 | 7.5 | 0.0 | 0.0 | 1.0 | 7.2 | 0.0 | 0.0 | 0.0 | 0.0 | 2.2 | 0.0 | 0.0 | 0.0 | 39.2 |
Asympt | 58.9 | 0.0 | 0.0 | 0.0 | 0.8 | 1.0 | 0.1 | 0.0 | 0.2 | 0.0 | 9.0 | 7.0 | 0.0 | 0.3 | 22.7 |
Kurtosis | |||||||||||||||
Sympt | 37.8 | 0.3 | 0.5 | 0.0 | 0.0 | 6.7 | 0.0 | 0.0 | 0.3 | 0.0 | 13.5 | 6.9 | 0.0 | 0.0 | 34.1 |
Asympt | 44.6 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11.8 | 16.3 | 4.7 | 0.8 | 21.1 |
Entropy | |||||||||||||||
Sympt | 25.8 | 4.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 2.1 | 40.0 | 5.9 | 10.8 | 0.0 | 10.5 |
Asympt | 48.8 | 3.6 | 0.0 | 0.0 | 12.3 | 4.2 | 3.6 | 0.0 | 0.2 | 0.2 | 5.7 | 1.8 | 0.0 | 0.0 | 19.5 |
Co-occurrence matrix | |||||||||||||||
Contrast | |||||||||||||||
Sympt | 73.8 | 6.8 | 0.0 | 0.0 | 1.3 | 0.0 | 1.4 | 0.0 | 0.0 | 0.0 | 8.3 | 0.1 | 0.0 | 0.4 | 7.8 |
Asympt | 59.6 | 2.2 | 0.0 | 0.6 | 4.0 | 3.0 | 0.0 | 0.0 | 0.0 | 0.6 | 5.2 | 3.3 | 2.5 | 0.0 | 19.0 |
Energy | |||||||||||||||
Sympt | 58.2 | 5.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.2 | 21.8 | 3.0 | 2.4 | 0.6 | 7.3 |
Asympt | 68.9 | 4.9 | 0.0 | 0.0 | 4.9 | 2.5 | 0.8 | 0.0 | 0.0 | 0.0 | 3.3 | 0.0 | 0.0 | 0.0 | 14.8 |
Homogeneity | |||||||||||||||
Sympt | 80.8 | 6.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.0 | 0.0 | 0.0 | 1.0 | 8.1 |
Asympt | 67.2 | 4.9 | 0.0 | 0.0 | 4.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.6 | 1.6 | 1.6 | 0.0 | 18.0 |