Table 3.
Accuracies of radiologists and radiomics model in identifying liposarcoma versus lipoma.
| RMX (%) | RAD 1 (%) | RAD 2 (%) | RAD 3 (%) | Consensus (%) | |
|---|---|---|---|---|---|
| Accuracy | 94.7 | 65.8 | 81.6 | 79.0 | 81.6 |
| Sensitivity | 88.8 | 76.9 | 76.9 | 76.9 | 76.9 |
| Specificity | 100 | 60.0 | 84.0 | 80.0 | 84.0 |
| PPV | 100 | 50.0 | 71.4 | 66.7 | 71.4 |
| NPV | 78.5 | 83.3 | 87.5 | 87.0 | 87.5 |
| AUC | 0.926 | 0.685 | 0.805 | 0.785 | 0.805 |
RMX: radiomics model; RAD 1, 2, and 3: MSK radiologists 1, 2, and 3; consensus: group consensus between the three MSK radiologists; PPV: positive predicting value; NPV: negative predicting value; AUC: area under the receiver operating curve.