Table 2.
Medial Values of Measured Parameters, AUC and Cut-Off Values on ROC Analyses.
| Recurred group (n = 70) | Non-recurred group (n = 18) | P value | AUC | Cut-off value | |
|---|---|---|---|---|---|
| Filter = 0 | |||||
| ASM | 0.001232 | 0.001312 | 0.9505 | ||
| Average | 1088.4273 | 1102.1271 | 0.0021 | 0.736 | ≤1098.343478 |
| Standard deviation | 16.0277 | 17.4757 | 0.0065 | 0.709 | ≤16.194633 |
| Kurtosis | 0.02222 | 0.07221 | 0.6639 | ||
| Skewness | 0.002466 | 0.1298 | 0.3157 | ||
| Contrast | 192.5875 | 260.6758 | 0.00123 | 0.692 | ≤204.393377 |
| Correlation | 0.00241 | 0.001702 | 0.01 | 0.698 | >0.002776 |
| Entropy | 6.8646 | 6.7437 | 0.7328 | ||
| Filter = 1 | |||||
| ASM | 0.0009825 | 0.0009885 | 0.6195 | ||
| Average | 1084.1605 | 1101.4913 | 0.0021 | 0.736 | ≤1084.931174 |
| Standard deviation | 28.0968 | 30.9342 | 0.0094 | 0.699 | ≤31.434868 |
| Kurtosis | −0.03283 | −0.02773 | 0.5416 | ||
| Skewness | −0.04591 | 0.1201 | 0.0769 | ||
| Contrast | 613.7428 | 856.2486 | 0.0199 | 0.679 | ≤905.806122 |
| Correlation | 0.000793 | 0.000548 | 0.0127 | 0.691 | >0.000517 |
| Entropy | 7.0187 | 6.9823 | 0.5835 | ||
| Filter = 1.5 | |||||
| ASM | 0.001459 | 0.001371 | 0.9464 | ||
| Average | 1084.307 | 1101.2969 | 0.0022 | 0.735 | ≤1088.576271 |
| Standard deviation | 15.3738 | 17.2526 | 0.0151 | 0.687 | ≤13.505866 |
| Kurtosis | −0.04924 | 0.2372 | 0.1996 | ||
| Skewness | 0.008841 | 0.08913 | 0.4079 | ||
| Contrast | 111.4899 | 129.7122 | 0.0173 | 0.683 | ≤89.964225 |
| Correlation | 0.003265 | 0.002783 | 0.0169 | 0.683 | >0.00398 |
| Entropy | 6.6663 | 6.7282 | 0.9094 | ||
| Filter = 2 | |||||
| ASM | 0.002261 | 0.002261 | 0.7999 | ||
| Average | 1084.9351 | 1101.203 | 0.0024 | 0.733 | ≤1091.06089 |
| Standard deviation | 10.7231 | 12.3279 | 0.0314 | 0.665 | ≤10.579722 |
| Kurtosis | −0.05305 | 0.157 | 0.1689 | ||
| Skewness | 0.1835 | 0.1445 | 0.828 | ||
| Contrast | 40.7814 | 46.7342 | 0.0159 | 0.685 | ≤34.290079 |
| Correlation | 0.007263 | 0.005749 | 0.0386 | 0.659 | >0.008031 |
| Entropy | 6.28 | 6.3254 | 0.9176 | ||
| Filter = 2.5 | |||||
| ASM | 0.002952 | 0.002879 | 0.8604 | ||
| Average | 1085.3756 | 1101.0749 | 0.0026 | 0.731 | ≤1092.655696 |
| Standard deviation | 9.2723 | 9.7441 | 0.0769 | ||
| Kurtosis | −0.1724 | 0.2028 | 0.0859 | ||
| Skewness | 0.2459 | 0.1427 | 0.5835 | ||
| Contrast | 26.9643 | 30.6362 | 0.0314 | 0.665 | ≤29.17734 |
| Correlation | 0.01012 | 0.009281 | 0.0769 | ||
| Entropy | 6.0562 | 6.0853 | 0.9917 | ||
Note: ASM = angular second moment; AUC = area under the curve.