Table 5 Diagnostic accuracy of MRI detection of pulmonary embolism
Indices | Site of pulmonary embolism | |||
|---|---|---|---|---|
Central (trunk and main) | lobar | Segmental | Subsegmental | |
Sensitivity | 100% | 100% | 88% | 34.6% |
Specificity | 100% | 100% | 100% | 100% |
Positive predictive value | 100% | 100% | 100% | 100% |
Negative predictive value | 100% | 100% | 89.3% | 58.5% |
Accuracy | 100% | 100% | 94% | 66% |
Area under curve | 1 | 1 | 0.94 | 0.67 |
P value | < 0.001 | < 0.001 | < 0.001 | 0.02 |