Table 4. Performance of Prospectively ECG-triggered Dual Source CCTA for Diagnosing CAD in Patients with AF.
Analysis | Result | Parameter | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
True- positive | True- negative | False- positive | False- negative | Non- evaluable (positive) | Non- evaluable (negative) | Sensitivity | Specificity | PPV | NPV | κ | |
(%) | (%) | (%) | (%) | ||||||||
[95%CI] | [95%CI] | [95%CI] | [95%CI] | ||||||||
Per-segment (n = 386) | 26 | 355 | 2 | 3 | 1 | 2 | 89.7 | 99.4 | 92.9 | 99.2 | 0.91 |
(26/29) | (355/357) | (26/28) | (355/358) | ||||||||
[78.7–100] | [98.4–100] | [83.4–100] | [98.3–100] | ||||||||
Per-vessel (n = 90) | 20 | 63 | 2 | 3 | 1 | 1 | 83.3 | 97.0 | 90.9 | 94.1 | 0.83 |
(20/24) | (64/66) | (20/22) | (64/68) | ||||||||
[68.4–98.2] | [92.9–100] | [79.1–100] | [88.5–99.7] | ||||||||
Per-patient (n = 30) | 9 | 17 | 1 | 1 | 1 | 1 | 81.8 | 94.7 | 90.0 | 90.0 | 0.78 |
(9/11) | (18/19) | (9/10) | (18/20) | ||||||||
[59.0–100] | [84.7–100] | [71.4–100] | [76.9–100] |