Table 1.
Diagnostic accuracy for the evaluation of PE
| Parameter | Central PE | Segmental PE |
| Sensitivity | 1.0 | 1.0 |
| Specificity | 0.98 | 1.0 |
| PPV | 0.98 | 1.0 |
| NPV | 1.0 | 1.0 |
NPV, negative predictive value; PE, pulmonary embolism; PPV, positive predictive value.
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