Table 2. Fourteen prognostic radiomic features identified by Cox regression.
| Features | HR | β | 95% CI | P Value | |
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Mean_HLL | 1.028 | 0.027 | 1.012 | 1.044 | 0.001 |
| Median_HHL | 2.977 | 1.091 | 1.548 | 5.726 | 0.001 |
| Mean absolute deviation_HLL | 1.011 | 0.011 | 1.003 | 1.019 | 0.007 |
| RunPercentage_HLL | 1.300 | 0.263 | 1.066 | 1.586 | 0.010 |
| Range_HLH | 1.001 | 0.001 | 1.000 | 1.002 | 0.013 |
| Surface to Volume Ratio | 210.673 | 5.352 | 2.872 | 15475.144 | 0.015 |
| Entropy (group 1) | 0.349 | -1.052 | 0.149 | 0.817 | 0.015 |
| Median_HLH | 1175.998 | 7.070 | 3.749 | 368844.040 | 0.016 |
| Energy_HLL (group 1 derived) | 1.000 | 0.000 | 1.000 | 1.000 | 0.019 |
| Mean_HHL | 1.189 | 0.173 | 1.025 | 1.380 | 0.023 |
| Variance_HLL(group 1 derived) | 1.000 | 0.000 | 1.000 | 1.000 | 0.029 |
| Dissimilarity_HLL | 1.759 | 0.565 | 1.051 | 2.944 | 0.032 |
| Root mean square_HLL | 1.007 | 0.007 | 1.000 | 1.014 | 0.037 |
| Maximum_HLH | 1.001 | 0.001 | 1.000 | 1.003 | 0.047 |
HR = Hazard Ratio; 95% CI = 95% Confidence Interval.