Table 5. Receiver operating characteristic curve analysis and comparison via the assistance of model.
| AUC | 95% CI | |
|---|---|---|
| TRPTRG ≦1-CATV | 0.754 | 0.668 to 0.828 |
| TRPTRG ≦1-RTV | 0.738 | 0.650 to 0.813 |
| TRPTRG ≦1-TCTV | 0.795 | 0.713 to 0.863 |
| Pairwise comparison of ROC curves | ||
| TRPTRG ≦1-CATV vs. TRPTRG ≦1-RTV | ||
| Difference between AUC | 0.0162 | |
| Significance level | P = 0.4433 | |
| TRPTRG ≦1-CATV vs. TRPTRG ≦1-TCTV | ||
| Difference between AUC | 0.0413 | |
| Significance level | P = 0.040 | |
| TRPTRG ≦1-RTV vs. TRPTRG ≦1-TCTV | ||
| Difference between AUC | 0.0574 | |
| Significance level | P = 0.0029 | |
Abbreviation: AUC, areas under the curve; CI, confidence interval; TRP, tumor response probability; TRG, tumor regression grade; CATV, cylindrical approximated tumorvolume; RTV, real tumor; TCTV, tumor compactness-corrected tumor volume; ROC, receiver operating characteristic.