Table 2.
Comparison of time-dependent model with selected features vs the baseline model.
| Overall Survival | Time-Dependent Model | Baseline Model | |||
|---|---|---|---|---|---|
| Modality | Radiomic Features | HR (95%CI) | p-Value | HR (95%CI) | p-Value |
| CT + PET 40% | CT_NGLDM_Busyness | 2.54 (1.29, 5.00) | 0.0069 | 0.98 (0.73, 1.33) | 0.90 |
| PET_CONVENTIONAL_SUVbwmax | 2.66 (1.56, 4.55) | 0.0004 | 1.08 (0.74, 1.57) | 0.69 | |
| PET_GLZLM_GLNU | 2.26 (1.46, 3.49) | 0.0002 | 1.14 (0.95, 1.37) | 0.16 | |
| CT + PET 70% | CT_SHAPE_ Volume.vx. | 1.94 (1.34, 2.80) | 0.0004 | 1.08 (0.85, 1.38) | 0.51 |
| PET_DISCRETIZED_SUVbwmax | 2.74 (1.58, 4.74) | 0.0003 | 1.07 (0.70, 1.64) | 0.74 | |
| Progression-Free Survival | Time-Dependent model | Baseline Model | |||
| Modality | Radiomic Features | HR (95%CI) | p-Value | HR (95%CI) | p-Value |
| CT + PET 40% | PET_DISCRETIZED_ SUVbwpeakSphere0.5mL | 2.06 (1.28, 3.31) | 0.0029 | 1.08 (0.74, 1.58) | 0.68 |
| PET_GLZLM_GLNU | 1.67 (1.23, 2.26) | 0.0011 | 1.09 (0.90, 1.31) | 0.38 | |
| CT + PET 70% | PET_CONVENTIONAL_SUVbwQ1 | 1.84 (1.23, 2.76) | 0.0031 | 1.05 (0.76, 1.43) | 0.78 |
| PET_CONVENTIONAL_TLG.mL | 5.67 (1.75, 18.39) | 0.0039 | 1.14 (0.68, 1.91) | 0.62 | |