Table 5 Qualitative and statistical analysis results of BBTI for the diagnosis of DVT using consensus CE-CMRV as the reference standard
Vessel segments | Sensitivity (%) Reader1 /Reader 2 | Specificity (%) Reader1 /Reader 2 | Positive predictive value (%) Reader1 /Reader 2 | Negative predictive value (%) Reader1 /Reader 2 | Accuracy (%) Reader1 /Reader 2 |
|---|---|---|---|---|---|
Abdominopelvic veins | 98.5 / 98.5 | 100 / 100 | 100 / 100 | 99.3 / 99.3 | 99.5 / 99.5 |
Femoral-popliteal veins | 98.9 / 96.7 | 98.0 / 98.6 | 96.8 / 97.8 | 99.3 / 98.0 | 98.3 / 97.9 |
Calf veins | 81.4 / 79.1 | 99.0 / 97.9 | 94.6 / 89.5 | 95.9 / 95.4 | 95.7 / 94.4 |
The superficial veins | 100 / 88.9 | 100 / 99.1 | 100 / 88.9 | 100 / 99.1 | 100 / 98.3 |
Collateral branch veins | 100 / 94.4 | 90.5 / 90.5 | 81.8 / 81.0 | 100 / 97.4 | 93.3 / 91.7 |
Overall | 95.2 / 93.0 | 98.6 / 98.3 | 96.0 / 95.0 | 98.3 / 97.5 | 97.7 / 96.9 |