Table 2 Diagnostic performance of the different sequences and mp-MRI and their extent of agreement with pathological staging results
| Â | Sensitivity | Specificity | PPV | NPV | Accuracy | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
T2WI | DWI | DCE | Mp-MRI | T2WI | DWI | DCE | Mp-MRI | T2WI | DWI | DCE | Mp-MRI | T2WI | DWI | DCE | Mp-MRI | T2WI | DWI | DCE | Mp-MRI | |
T1 | 42.9 | 85.7 | 57.1 | 85.7 | 100.0 | 97.9 | 97.9 | 100.0 | 100.0 | 85.7 | 80.0 | 100.0 | 92.2 | 97.9 | 93.9 | 97.9 | 92.6 | 96.3 | 92.6 | 98.1 |
T2 | 58.8 | 88.2 | 88.2 | 94.1 | 91.9 | 94.6 | 91.9 | 97.3 | 76.9 | 88.2 | 83.3 | 94.1 | 82.9 | 94.6 | 94.4 | 97.3 | 81.5 | 92.6 | 90.7 | 96.3 |
T3 | 86.2 | 82.8 | 89.7 | 96.6 | 68.0 | 96 | 96 | 96 | 75.8 | 96 | 96.3 | 96.6 | 81.0 | 82.8 | 88.9 | 96 | 77.8 | 88.9 | 92.6 | 96.3 |
T4 | 100.0 | 100.0 | 100.0 | 100.0 | 92.5 | 92.5 | 94.3 | 98.1 | 20.0 | 20.0 | 25.0 | 50.0 | 100.0 | 100.0 | 100.0 | 100.0 | 92.6 | 92.6 | 94.4 | 98.1 |
≤ T1 versus ≥ T2 | 100.0 | 97.9 | 97.9 | 100.0 | 42.9 | 85.7 | 57.1 | 85.7 | 92.2 | 97.9 | 93.9 | 97.9 | 100.0 | 85.7 | 80.0 | 85.7 | 92.6 | 96.3 | 92.6 | 94.4 |
≤ T2 versus ≥ T3 | 100.0 | 96.7 | 100 | 100 | 66.7 | 95.8 | 95.8 | 95.8 | 78.9 | 96.7 | 96.8 | 96.8 | 100.0 | 95..8 | 100 | 100 | 85.2 | 96.3 | 98.1 | 98.1 |