Table 10:
Multivariate Cox proportional hazards regression analysis (in a model that includes volume, age, KPS) for the CEL- and NEL-derived rCBV texture feature ratios
| Hazard Ratio | 95% Confidential Interval | P Value | ||
|---|---|---|---|---|
| CEL | ||||
| Homogeneity | 0.019 | 0.001 | 0.272 | .004 |
| ASM | 0.121 | 0.023 | 0.632 | .012 |
| IDM | 0.068 | 0.010 | 0.457 | .006 |
| Entropy | 96.895 | 7.179 | 1307.8 | <.001 |
| NEL | ||||
| Skewness | 0.79 | 0.638 | 0.977 | .029 |
| Variance | 1.507 | 1.011 | 2.245 | .044 |
| Sum average | 2.203 | 0.996 | 5.024 | .060 |
| Sum variance | 1.207 | 0.929 | 1.568 | .159 |
Note:—KPS indicates Karnofsky Performance Status.