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Sensitivity, specificity, negative predictive values, and positive predictive values of DECT, and V/Q-SPECT compared to PA.
| Sensitivity | Specificity | PPV | NPV | |
|---|---|---|---|---|
| DECT | 79.2 % | 95.0 % | 91.4 % | 87.2 % |
| V/Q-SPECT | 71.8 % | 86.7 % | 78.4 % | 82.0 % |
PA, pulmonary angiogram; CTEPH, chronic thromboembolic pulmonary hypertension; DECT, dual-energy computed tomography; V/Q-SPECT, single photon emission computed tomography perfusion/ventilation; NPV, negative predictive value; PPV, positive predictive value.
