Table 3 Magnitude of variance components for QUS measurements computed for the images recorded in longitudinal view
QUS measurements | Relative variance proportions for images recorded in longitudinal view (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S | E | V | I | SE | SV | SI | EV | EI | VI | SEV | SEI | SVI | EVI | SEVI | |
Geometric | |||||||||||||||
Thickness | |||||||||||||||
Sympt | 83.0 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 6.2 | 4.0 | 1.7 | 0.0 | 1.9 |
Asympt | 86.2 | 0.8 | 0.0 | 0.0 | 2.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.3 | 1.4 | 0.8 | 0.0 | 4.8 |
Grayscale histogram | |||||||||||||||
Echogenicity | |||||||||||||||
Sympt | 75.7 | 0.0 | 0.0 | 0.0 | 7.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 8.8 | 1.2 | 0.5 | 0.0 | 5.8 |
Asympt | 85.2 | 0.0 | 0.0 | 0.0 | 3.4 | 1.6 | 0.0 | 0.1 | 0.0 | 0.0 | 3.4 | 0.0 | 0.0 | 0.0 | 6.2 |
Variance | |||||||||||||||
Sympt | 35.1 | 1.1 | 0.0 | 0.0 | 32.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.2 | 0.0 | 0.0 | 0.0 | 18.7 |
Asympt | 61.7 | 0.0 | 0.1 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 8.7 | 0.0 | 1.3 | 0.0 | 27.3 |
Skewness | |||||||||||||||
Sympt | 21.8 | 13.2 | 0.0 | 1.9 | 15.0 | 0.0 | 0.0 | 0.2 | 0.3 | 1.8 | 0.0 | 0.0 | 7.4 | 0.0 | 38.5 |
Asympt | 26.8 | 7.6 | 0.0 | 0.0 | 12.7 | 0.0 | 0.0 | 0.0 | 0.4 | 0.1 | 7.3 | 11.0 | 3.9 | 0.0 | 30.2 |
Kurtosis | |||||||||||||||
Sympt | 10.9 | 5.8 | 0.0 | 0.0 | 17.4 | 0.0 | 0.0 | 0.0 | 0.2 | 2.0 | 11.0 | 0.0 | 8.8 | 0.0 | 43.9 |
Asympt | 16.3 | 7.3 | 0.0 | 0.0 | 19.1 | 0.5 | 0.3 | 0.0 | 1.1 | 0.0 | 9.3 | 13.4 | 1.9 | 0.0 | 30.8 |
Entropy | |||||||||||||||
Sympt | 44.0 | 0.0 | 0.0 | 0.0 | 26.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 16.4 | 1.6 | 2.1 | 0.0 | 9.6 |
Asympt | 58.8 | 0.2 | 0.2 | 0.0 | 5.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 10.2 | 0.0 | 5.5 | 0.0 | 19.5 |
Co-occurrence matrix | |||||||||||||||
Contrast | |||||||||||||||
Sympt | 55.3 | 0.0 | 0.0 | 0.0 | 8.1 | 0.0 | 0.0 | 0.4 | 0.5 | 0.0 | 12.8 | 7.0 | 6.1 | 0.0 | 10.0 |
Asympt | 61.3 | 0.0 | 0.0 | 0.0 | 4.5 | 0.8 | 0.0 | 0.9 | 0.0 | 0.2 | 5.1 | 0.0 | 4.2 | 0.0 | 22.9 |
Energy | |||||||||||||||
Sympt | 40.9 | 0.0 | 0.0 | 0.4 | 19.6 | 0.0 | 0.4 | 0.0 | 0.0 | 0.0 | 17.8 | 0.9 | 0.0 | 0.0 | 20.0 |
Asympt | 55.3 | 0.0 | 0.0 | 0.0 | 9.2 | 0.4 | 0.0 | 0.7 | 0.0 | 0.0 | 8.1 | 0.0 | 4.4 | 0.0 | 22.0 |
Homogeneity | |||||||||||||||
Sympt | 56.3 | 0.0 | 0.0 | 0.0 | 6.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.5 | 4.7 | 7.8 | 0.0 | 12.5 |
Asympt | 63.9 | 0.0 | 0.0 | 0.0 | 6.9 | 1.4 | 0.0 | 1.4 | 0.0 | 0.0 | 4.2 | 0.0 | 4.2 | 0.0 | 18.1 |