Diagnostic accuracy of CTP versus SPECT: per myocardial segment (AHA 17-segment model) (n=1292)
| % | 95% CI | ||
| Sensitivity | 89 | (33/37) 33 TP | 75 to 95 |
| Specificity | 99 | 4 FN | 98 to 99 |
| PPV | 82 | 7 FP | 68.1 to 91 |
| NPV | 99.6 | 99.1 to 99.8 | |
| Accuracy | 99.1 | 98.5 to 99.5 | |
Cohen's κ=0.85 (0.79–0.90).
FN, false negative; FP, false positive; NPV, negative predictive value; PPV, positive predictive value; TP, true positive.