TABLE 3

Univariate ROC Curve Analysis for Identification of High-Risk CAD on Angiography

Parameterc-index (95% CI)PBest cutoff valueSensitivitySpecificity
Clinical risk score0.589 (0.510–0.669)0.0425%0.870.29
SSS (% of LV volume)0.681 (0.601–0.761)<0.000110.2%0.750.51
TID index0.642 (0.557–0.726)0.0011.070.710.52
ΔLVEF0.604 (0.518–0.689)0.0222.0%0.580.60
Segments with CFR of <1.50.637 (0.561–0.713)0.0025.00.820.41
Global CFR0.647 (0.572–0.721)0.0011.930.890.36
  • CI = confidence interval; SSS = summed stress score; LV = left ventricular.