Table 3: Performance and operating points of the four-feature semantic model that predicts response to chemoradiation for patients with rectal cancer, for both the development and the validation cohort.
Data between brackets represents the 95% confidence interval. Abbreviations: AUC = Area Under the Curve; PPV = Positive Predictive Value.
| Development Cohort | Validation Cohort | ||
|---|---|---|---|
| semantic | |||
| AUC | 0.86(0.77–0.95) | 0.87(0.76–0.97) | |
| PPV | 77% | 100% | |
| Sensitivity | 53% | 33% | |
| Specificity | 94% | 100% | |
| Accuracy | 82% | 84% | |