Table 5 Diagnostic Efficacy According to Lesion Types
(%) | Type I | Type II | Type III | Type IV | |||
|---|---|---|---|---|---|---|---|
1 sign | 2 signs | 1 sign | 2 signs | 1 sign | 2 signs | ||
Sensitivity | 72.8 | 68.4% | 57.9% | 83.7% | 74.4% | 100.0% | 100.0% |
Specificity | 85.2 | 72.8% | 92.0% | 72.8% | 92.0% | 72.8% | 92.0% |
Accuracy | 75.6 | 72.6% | 90.5% | 73.8% | 90.4% | 74.3% | 92.5% |
PPVa | 94.2 | 10.1% | 24.4% | 23.7% | 48.5% | 18.3% | 43.3% |
NPVa | 48.4 | 98.1% | 98.0% | 97.8% | 97.3% | 100.0% | 100.0% |