Table 3.
Intra-observer variability Cohen's kappa scores of scar detection and overall image quality score. The intra-observer variability analysis was performed for both 2D and 3D grey-blood LGE datasets
| Intra-observer Variability | |||||
|---|---|---|---|---|---|
| 2D | 3D | ||||
| Patient no | Cohen kappa | P-value | Cohen kappa | P-value | |
| Scar detection | 1 | 0.658 | 0.95 | 0.658 | 0.95 |
| 2 | 1 | – | 1 | – | |
| 3 | 1 | – | 1 | – | |
| 4 | 1 | – | 1 | – | |
| 5 | 1 | – | 1 | – | |
| 6 | 0.746 | 0.99 | 0.746 | 0.99 | |
| 7 | 0.883 | 0.99 | 0.883 | 0.99 | |
| 8 | 1 | – | 1 | – | |
| 9 | 1 | – | 1 | – | |
| 10 | 1 | – | 1 | – | |
| All patients | 0.898 | 0.99 | 0.898 | 0.99 | |
| Quality score | All patients | 1 | – | 1 | – |
Intra-observer variability for scar detection was computed for each patient considering each left ventricular (LV) segment in the analysis, and for all patients considering each segment of each patient in the analysis