Table 3b. Comparison of CT features between intermediate grade group and high grade group (mean rank of each parameter, Mann–Whitney U-test for the comparison).
CT features | Pathologic grade | P value | ||
---|---|---|---|---|
Intermediate (n= 113) | High (n= 35) | |||
F1 | Energy | 72.63 | 80.54 | 0.340 |
F2 | Entropy | 69.19 | 91.66 | 0.007 |
F3 | Minimum Intensity | 72.31 | 81.56 | 0.265 |
F4 | Maximum Intensity | 76.66 | 67.53 | 0.271 |
F5 | Mean Intensity | 74.63 | 74.09 | 0.948 |
F6 | Median Intensity | 76.42 | 68.30 | 0.327 |
F7 | Range | 77.13 | 66.00 | 0.179 |
F8 | Mean Deviation | 79.48 | 58.43 | 0.011 |
F9 | Root Mean Square | 79.91 | 57.03 | 0.006 |
F10 | Standard Deviation | 79.60 | 58.03 | 0.009 |
F11 | Skewness | 72.02 | 82.51 | 0.206 |
F12 | Kurtosis | 76.21 | 68.97 | 0.383 |
F13 | Variance | 79.60 | 58.03 | 0.009 |
F14 | Uniformity | 68.91 | 92.54 | 0.004 |
F15 | Volume cc | 69.57 | 90.43 | 0.012 |
F16 | Surface Area mm^2 | 69.79 | 89.71 | 0.016 |
F21 | Spherical Disproportion | 79.74 | 57.57 | 0.008 |
F23 | Autocorrelation | 72.35 | 81.46 | 0.272 |
F24 | Cluster Prominence | 75.23 | 72.14 | 0.710 |
F25 | Cluster Shade | 76.40 | 68.37 | 0.333 |
F26 | Cluster Tendency | 73.65 | 77.26 | 0.663 |
F27 | Contrast | 72.27 | 81.71 | 0.255 |
F28 | Correlation | 91.68 | 51.31 | 0.000 |
F29 | Difference Entropy | 69.21 | 91.57 | 0.007 |
F30 | Dissimilarity | 70.98 | 85.86 | 0.073 |
F31 | Energy (GLCM) | 69.26 | 91.43 | 0.008 |
F32 | Entropy(GLCM) | 79.88 | 57.11 | 0.006 |
F33 | Homogeneity 1 | 68.88 | 92.63 | 0.004 |
F34 | Homogeneity 2 | 68.80 | 92.91 | 0.004 |
F36 | IDMN | 69.54 | 90.51 | 0.011 |
F37 | IDN | 69.54 | 90.51 | 0.011 |
F38 | Inverse Variance | 68.81 | 92.86 | 0.004 |
F39 | Maximum Probability | 68.74 | 93.10 | 0.003 |
F40 | Sum Average | 71.15 | 85.31 | 0.088 |
F41 | Sum Entropy | 79.92 | 57.00 | 0.006 |
F42 | Sum Variance | 70.04 | 88.89 | 0.023 |
F43 | Variance (GLCM) | 72.35 | 81.43 | 0.274 |
F46 | GLN | 68.45 | 94.03 | 0.002 |
F47 | RLN | 69.64 | 90.20 | 0.013 |
F49 | LGLRE | 78.98 | 60.03 | 0.022 |
F50 | HGLRE | 76.13 | 69.23 | 0.405 |
F51 | SRLGLE | 79.37 | 58.77 | 0.013 |
F52 | SRHGLE | 76.20 | 69.00 | 0.385 |
F53 | LRLGLE | 73.73 | 77.00 | 0.693 |
F54 | LRHGLE | 74.99 | 72.91 | 0.802 |