Table 4 Prediction performance of radiomics features for RF, SVM, and LR models in the training, internal and validation Cohorts in the Prostate Cancer.
Models | Internal validation Cohort | External validation Cohort | ||||||
|---|---|---|---|---|---|---|---|---|
AUC | Sens (%) | Spec (%) | Accu (%) | AUC | Sens (%) | Spec (%) | Accu (%) | |
RF | 0.82 ± 0.05 (0.70–0.94) | 85.32 ± 5.62 (0.63–0.96) | 76.36 ± 5.01 (0.62–0.86) | 79.01 ± 4.44 (0.67–0.87) | 0.81 ± 0.05 (0.73–0.93) | 63.30 ± 5.25 (0.45–0.78) | 91.86 ± 2.31 (0.84–0.96) | 83.38 ± 2.18 (0.76–0.90) |
SVM | 0.60 ± 0.06 (0.44–0.76) | 43.11 ± 8.90 (0.26–0.66) | 84.50 ± 5.54 (0.70–0.92) | 72.21 ± 5.01 (0.60–0.82) | 0.65 ± 0.07 (0.53–0.77) | 48.62 ± 7.47 (0.32–0.66) | 89.53 ± 3.01 (0.81–0.95) | 77.38 ± 2.96 (0.70–0.85) |
LR | 0.74 ± 0.06 (0.59–0.89) | 66.97 ± 7.31 (0.43–0.84) | 78.29 ± 5.11 (0.64–0.88) | 74.93 ± 4.07 (0.63–0.84) | 0.71 ± 0.06 (0.59–0.83) | 59.63 ± 6.31 (0.42–0.76) | 88.37 ± 2.72 (0.80–0.94) | 79.84 ± 2.83 (0.73–0.87) |