Table 3.
Performance of a model predicting 5-year OS for HCC resection in training and validation cohorts.
| Cohort | Model | Acc (95 % CI) | Sen | Spe | PPV | NPV | F1 | Precision |
|---|---|---|---|---|---|---|---|---|
| training cohort | pathomics | 0.852 (0.761–0.919) | 0.836 | 0.878 | 0.92 | 0.763 | 0.876 | 0.92 |
| radiomics | 0.795 (0.696–0.874) | 0.854 | 0.697 | 0.825 | 0.742 | 0.829 | 0.825 | |
| radiopathomics nomogram | 0.864 (0.774–0.928) | 0.855 | 0.879 | 0.922 | 0.784 | 0.887 | 0.922 | |
| validation cohort | pathomics | 0.790 (0.627–0.904) | 0.759 | 0.89 | 0.957 | 0.533 | 0.846 | 0.957 |
| radiomics | 0.763 (0.598–0.886) | 1 | 0 | 0.763 | NaN | 0.866 | 0.763 | |
| radiopathomics nomogram | 0.842 (0.688–0.940) | 0.828 | 0.889 | 0.96 | 0.615 | 0.889 | 0.96 |
OS, Overall Survival; HCC, Hepatocellular Carcinoma; Acc, Accuracy; Sen, Sensitivity; Spe, Specificity; PPV, Positive Predictive Value; NPV, Negative Predictive Value; F1, F1_score.