Table 4 The diagnostic performances of 3D CTA-derived anatomic parameters (%DS, %AS) for the detection of severe coronary arterial stenosis (as assessed by DSA)
| Â | TP | TN | FP | FN | Kappa | Sen (%) | Spe (%) | PPV (%) | NPV (%) | Diagnostic accuracy (%) | ROC area |
|---|---|---|---|---|---|---|---|---|---|---|---|
%DS | 14 | 26 | 4 | 10 | 0.46 | 58.3 | 86.7 | 77.8 | 91.7 | 74.1 | 0.73 |
%AS | 11 | 29 | 1 | 13 | 0.45 | 45.8 | 96.7 | 72.2 | 69.0 | 74.1 | 0.71 |