Table 4.
Accuracy of Regional LV Functional Analysis for Detecting ACS in Subgroups
| Sensitivity | Specificity | PPV | NPV | |
|---|---|---|---|---|
| CT with definitive coronary stenosis assessment (n=323) | 20/26 77% (56–91) |
278/297 94% (90–96) |
20/39 51% (35–68) |
278/284 98% (96–99) |
| CT with inconclusive coronary stenosis assessment (n=33) | 3/5 60% (15 – 95) |
24/28 86% (67–96) |
3/7 43% (10–82) |
24/26 92% (75–99) |
| CT with non-obstructive plaque (n=114) | 3/7 43% (10–82) |
99/107 93% (86–97) |
3/11 27% (6–61) |
99/103 96% (90–99) |
| CT with significant stenosis (n=33) | 17/19 89% (67–99) |
12/14 86% (57–98) |
17/19 89% (67–99) |
12/14 86% (57–98) |
LV: left ventricular; 95%-confidence intervals are provided in parenthesis. PPV: positive predictive value; NPV: negative predictive value.