Table 2:

Detection of residual aneurysms

Binary Residual Aneurysm Detection
 SensitivitySpecificityAccuracyAgreementP-Value
CCTA0%86%23%−0.18<.01
50-keV CTA31%88%52%0.33<.01
70-keV CTA20%100%52%0.41<.01
IM-DECTA75%93%85%0.51.31
MIP IM-DECTA83%92%88%0.51.97
  • Note:—Sensitivity, specificity, accuracy, and reader agreement (expressed as the Pearson correlation coefficient) for residual aneurysm detection is expressed relative to reference DSA, therefore nonsignificant P-values indicate greater agreement with the reference standard.