Table 3.
Areas under the receiver operating characteristic (ROC) curves (AUC) shown in Figure 3.
| Composite | Radial strain | Radial displacement | Radial velocity | Longitudinal strain | Longitudinal velocity | Longitudinal displacement | |
|---|---|---|---|---|---|---|---|
| ROC area | 0.905 | 0.892 | 0.879 | 0.855 | 0.764 | 0.588 | 0.535 |
| 95% conf. int. | 0.877-0.929 | 0.863-0.917 | 0.848-0.906 | 0.822-0.883 | 0.726-0.799 | 0.545-0.630 | 0.491-0.578 |
| Cut off value* | 2.52 | 38.8 | 3.97 | 1.82 | -18.5 | 2.49 | 4.99 |
| Sens/Spec | 78/93 | 80/86 | 85/78 | 86/75 | 47/95 | 44/75 | 34/80 |
| Cut off value* | >2.4 | >38.9 | >4.47 | >2.1 | <-9.6 | >1.1 | >1.29 |
| Sens at Spec = 80% | 90 | 86 | 80 | 78 | 48 | 31 | 19 |
* Chosen cut off value corresponding to sensitivity and specificity in the row below.
The parameters are ranked after AUC. Sensitivities (sens) and specificities (spec) are in %. Significance of differences between ROC areas and sensitivities at 80% specificity are shown in Table 4.