Table 2.
Performance of the SVM classification model and nomogram.
| Index | SVM Classification | Nomogram | ||
|---|---|---|---|---|
| Primary Cohort | Validation Cohort | Primary Cohort | Validation Cohort | |
| ACC | 0.840 [0.838,0.848] | 0.800 [0.664,0.832] | 0.745 [0.709,0.764] | 0.730 [0.702,0.810] |
| AUC/C-Index | 0.894 [0.887,0.909] | 0.875 [0.698,0.891] | 0.820 [0.752,0.845] | 0.809 [0.794,0.833] |
| TPR | 0.836 [0.820,0.852] | 0.818 [0.727,0.849] | NA | NA |
| TNR | 0.837 [0.795,0.857] | 0.800 [0.667,0.822] | NA | NA |
NOTE: ACC, accuracy; AUC, area under ROC curve; TPR, True Positive Rate; TNR, True Negative Rate.