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Formulas and performances of the models.
| Classifier stage | Formulas | AUC | 95%CI | ACC | SEN | SPE |
|---|---|---|---|---|---|---|
| Classifier #1 | 0.327*GTR+0.375*AFP-0.043 | 0.723 | 0.622, 0.825 | 0.564 | 0.919 | 0.359 |
| 0.271*PTR+0.368*AFP-0.044 | 0.739 | 0.642, 0.836 | 0.554 | 0.946 | 0.328 | |
| 0.334*GPTR+0.355*AFP-0.044 | 0.744 | 0.646, 0.841 | 0.634 | 0.892 | 0.484 |
AUC, area under the curve; CI, confidence interval; ACC, accuracy; SEN, sensitivity; SPE, specificity; GTR, gross tumor region; PTR, peritumoral region; GPTR, Gross and peri tumoral volume.
