Table 3.
The predictive performance of the models in each group.
| Models | Training cohort | Validation cohort | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AUC (95%CI) | ACC (%) | SEN (%) | SPE(%) | F score (%) | Precision (%) | Recall (%) | AUC (95%CI) | ACC(%) | SEN(%) | SPE(%) | F score (%) | Precision (%) | Recall (%) | |
| Type | ||||||||||||||
| ADC model | 0.691 (0.590-0.783) | 61.9 | 35.7 | 88.1 | 48.4 | 75.0 | 35.7 | 0.681 (0.615-0.741) | 62.6 | 32.6 | 92.6 | 46.6 | 81.6 | 32.6 |
| Radiomic model | 0.839 (0.971-0.884) | 75.8 | 65.3 | 82.3 | 72.9 | 82.7 | 65.3 | 0.867 (0.792-0.930) | 76.2 | 76.2 | 76.2 | 76.2 | 76.2 | 76.2 |
| Combined model | 0.851 (0.804-0.895) | 80.0 | 75.8 | 84.2 | 79.1 | 82.8 | 75.8 | 0.867 (0.798-0.931) | 81.0 | 85.7 | 76.2 | 81.8 | 78.3 | 85.7 |
| Grade | ||||||||||||||
| ADC model | 0.817 (0.768-0.863) | 73.2 | 78.9 | 67.4 | 74.6 | 70.8 | 78.9 | 0.762 (0.667-0.841) | 69.0 | 81.0 | 57.1 | 72.3 | 81.0 | 65.4 |
| Radiomic model | 0.917 (0.884-0.948) | 86.8 | 92.6 | 91.1 | 87.6 | 83.0 | 92.6 | 0.870 (0.800-0.932) | 82.1 | 81.0 | 83.3 | 81.9 | 82.9 | 81.0 |
| Combined model | 0.959 (0.936-0.978) | 90.5 | 91.6 | 89.5 | 90.6 | 89.7 | 91.6 | 0.880 (0.815-0.938) | 82.1 | 83.3 | 81.0 | 82.4 | 81.4 | 83.3 |
| DMI | ||||||||||||||
| ADC model | 0.677 (0.616-0.736) | 64.2 | 90.8 | 37.6 | 71.7 | 59.3 | 90.8 | 0.642 (0.548-0.732) | 64.6 | 95.8 | 33.3 | 73.0 | 59.0 | 95.8 |
| Radiomic model | 0.828 (0.778-0.875) | 77.1 | 65.0 | 89.0 | 74.0 | 85.5 | 65.1 | 0.751 (0.662-0.834) | 67.7 | 54.2 | 81.2 | 62.7 | 74.3 | 54.2 |
| Combined model | 0.839 (0.792-0.883) | 78.4 | 75.2 | 81.7 | 77.7 | 80.4 | 75.2 | 0.766 (0.685-0.847) | 65.6 | 52.1 | 79.2 | 60.2 | 71.4 | 52.1 |
| LVSI | ||||||||||||||
| ADC model | 0.731 (0.677-0.783) | 67.5 | 98.3 | 36.8 | 75.2 | 60.8 | 98.3 | 0.689 (0.605-0.777) | 66.7 | 98.0 | 35.3 | 74.6 | 60.2 | 98.0 |
| Radiomic model | 0.774 (0.722-0.824) | 75.2 | 71.8 | 78.6 | 74.3 | 77.1 | 71.8 | 0.668 (0.577-0.757) | 65.7 | 58.8 | 72.5 | 63.2 | 68.2 | 58.8 |
| Combined model | 0.816 (0.769-0.86) | 75.2 | 76.1 | 74.4 | 75.4 | 74.8 | 76.1 | 0.746 (0.662-0.827) | 68.6 | 62.7 | 74.5 | 66.7 | 71.1 | 62.7 |
| LNM | ||||||||||||||
| ADC model | 0.657 (0.572-0.743) | 66.1 | 98.3 | 33.9 | 74.8 | 60.0 | 99.3 | 0.638 (0.58-0.692) | 66.5 | 99.3 | 33.8 | 74.4 | 59.8 | 98.3 |
| Radiomic model | 0.901 (0.867-0.933) | 85.7 | 89.0 | 82.4 | 86.1 | 83.4 | 89.0 | 0.895 (0.844-0.942) | 81.4 | 91.5 | 71.2 | 83.1 | 76.1 | 91.5 |
| Combined model | 0.910 (0.878-0.942) | 84.9 | 97.8 | 72.1 | 86.6 | 77.8 | 97.8 | 0.897 (0.841-0.944) | 81.4 | 93.2 | 69.5 | 83.3 | 75.3 | 93.2 |
AUC, area under the curve; CI, confidence interval; ACC, accuracy; SEN, sensitivity; SPE, specificity; ADC, apparent diffusion coefficient; DMI, deep myometrial infiltration; LVSI, lymphovascular space invasion; LNM, lymph node metastasis.