Table 4.
Accuracy of EUA and MRI for determining stage, tumor size, and parametrial involvement in patients according pathology.
| Sensitivity | Specificity | PPV | NPV | |
|---|---|---|---|---|
| Early stage disease | ||||
| MRI | 94.8% | 38.5% | 94.8% | 38.5% |
| EUA | 99.4% | 30.8% | 94.4% | 80.0% |
| Parametrial involvement | ||||
| MRI | 33.3% | 96.3% | 25.0% | 97.5% |
| EUA | 16.7% | 99.4% | 50.0% | 97.0% |
| Tumor size <4 cm | ||||
| MRI | 99.4% | 42.9% | 97.5% | 75.0% |
| EUA | 100% | 42.9% | 97.5% | 100% |
| Tumor size <2 cm | ||||
| MRI | 86.6% | 66.7% | 89.0% | 61.5% |
| EUA | 71.2% | 57.9% | 84.0% | 39.2% |
| Tumor size 2-4 cm | ||||
| MRI | 58.1% | 84.6% | 50.0% | 88.4% |
| EUA | 48.4% | 73.6% | 31.3% | 85.1% |
Abbreviations: PPV, positive predictive value; NPV, negative predictive value.