Table 5.
Multivariate analysis (computed tomography).
| OS | PFS | |||
|---|---|---|---|---|
| HR (95%CI) | p value | HR (95%CI) | p value | |
| Histogram based | ||||
| Kurtosis (≥101.9046 vs. <101.9046) | 11.791 (1.583–87.808) | 0.016 ∗ | — | — |
| Shape based | ||||
|
| ||||
| Sphericity (≥0.6407 vs. <0.6407) | — | — | 11.390 (1.360–95.371) | 0.025 ∗ |
|
| ||||
| GLZLM | ||||
| GLNU (≥90.9505 vs. <90.9505) | — | — | 6.934 (1.069–44.981) | 0.042 ∗ |
| HGZE (≥9917.8935 vs. <9917.8935) | 9.805 (1.359–70.747) | 0.024 ∗ | 11.504 (1.921–68.888) | 0.007 ∗ |
GLNU, gray-level nonuniformity for zone; HGZE, high gray-level zone emphasis; GLZLM, gray-level zone length matrix; PFS, progression-free survival; OS, overall survival; HR, hazard ratio; CI, confidence interval. Asterisk (∗) indicates significance with a p value of <0.05 (shown in bold).