Table 2.
Diagnostic efficacy of the radiomics models of models 1-4.
| Evaluation indicators |
Model 1 | Model 2 | Model 3 | Model 4 | ||||
|---|---|---|---|---|---|---|---|---|
| Training group | Test group | Training group | Test group | Training group | Test group | Training group | Test group | |
| AUC | 0.97 | 97.92 | 0.97 | 0.85 | 0.93 | 0.74 | 0.94 | 0.93 |
| Accuracy (%) | 0.93 | 91.30 | 88.00 | 67.92 | 88.57 | 71.67 | 89.47 | 87.65 |
| Sensitivity (%) | 93.91 | 98.39 | 80.52 | 70.00 | 92.65 | 76.00 | 89.78 | 90.48 |
| Specificity (%) | 89.79 | 92.00 | 93.75 | 86.96 | 84.72 | 68.57 | 88.68 | 77.78 |
| Positive predictive value (%) | 91.04 | 88.68 | 100.00 | 84.21 | 85.14 | 63.33 | 95.35 | 93.44 |
| Negative predictive value (%) | 88.46 | 87.50 | 76.19 | 58.82 | 92.42 | 80.00 | 77.05 | 70.00 |