Table 2 Multivariate Cox regression analyses of overall survival using selected features based on AUC2 and baseline features.
| Â | Selected features | p Value | HR | 95% CI |
|---|---|---|---|---|
AUC2 | Density | <0.000 | 0.067 | 0.021–0.220 |
Skewness of positive pixel value | 0.010 | 5.142 | 1.490–17.747 | |
Entropy at inner | 0.001 | 6.196 | 2.086–18.406 | |
Baseline | M descriptor | 0.338 | 1.806 | 0.538–6.057 |
Kurtosis of positive pixel value | <0.000 | 7.992 | 2.759–23.148 | |
Surface area | 0.001 | 0.192 | 0.075–0.493 |
