Table 3.
Interobserver agreement for qualitative assessment of CTA images
| Standard CTA | DS-CTA | |||
|---|---|---|---|---|
|
|
|
|||
| MA | DC | MA | DC | |
| Aortic valve | 0.471 | 0.312 | 0.769 | 0.640 |
|
| ||||
| Origin of coronary arteries | 0.452 | 0.312 | 0.625 | 0.625 |
|
| ||||
| Ascending aorta | 0.357 | 0.348 | 1.0 | 0.654 |
|
| ||||
| Origin of supra-aortic vessels | 0.625 | 0.625 | 1.0 | 1.0 |
|
| ||||
| Descending mediothoracic aorta at the level of pulmonary artery bifurcation | 1.0 | 1.0 | 1.0 | 1.0 |
CTA, computed tomography angiography; DS-CTA, dual-source computed tomography angiography; MA, motion artifacts; DC, diagnostic confidence.