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Table 13 ROC curve results for the prediction of positive FFR cases by using the MPI and the IFR

From: Myocardial perfusion imaging by single-photon emission tomography (MPI SPECT) versus Instantaneous wave-free ratio (IFR) for assessment of functional significance of intermediate coronary artery lesions

Test result variable(s)

Cut-off

Sensitivity

Specificity

The area under the curve

95% confidence interval

Lower bound

Upper bound

SPECT_MPI defect size

5

81.8%

92.9%

0.899

0.754

1.000

IFR value cut-off0.89

0.85

90.9%

100%

1.000

0.950

1.000