Table 3.
Diagnostic Accuracy for Differentiating Cancer Stage (≤T1) from Cancer stage (≥T2).
| Imaging Set | Sensitivity | Specificity | Accuracy | PPV | NPV | κ Value | P Value |
|---|---|---|---|---|---|---|---|
| T2 SPAIR | 74.1% | 72.2% | 73.0% | 0.50 | 0.92 | 0.70 | <0.05 |
| DCE | 80.2% | 85.7% | 84.3% | 0.56 | 0.90 | 0.88 | <0.05 |
| DW | 83.7% | 90.3% | 90.0% | 0.67 | 0.93 | 0.63 | <0.05 |
| T2 SPAIR +DCE | 84.1% | 86.3% | 83.5% | 0.71 | 0.91 | 0.55 | <0.05 |
| T2 SPAIR +DW | 85.2% | 93.2% | 90.1% | 0.54 | 0.86 | 0.76 | <0.05 |
| DCE+DW | 92.4% | 96.8% | 93.6% | 0.67 | 0.93 | 0.88 | <0.05 |
| T2 SPAIR +DCE+DW | 92.5% | 97.4% | 95.2% | 0.80 | 0.93 | 0.91 | <0.01 |
PPV, positive predictive value; NPV, negative predictive value.