Table 4.
Interobserver and intraobserver variability
| Variable | Intraclass Correlation Coefficient | 95% Confidence Intervals |
|---|---|---|
| Interobserver | ||
| Apical rotation | 0.90 | 0.74–0.97 |
| Septal circumferential strain | 0.88 | 0.68–0.95 |
| Lateral circumferential strain | 0.89 | 0.68–0.95 |
| Septal radial strain | 0.89 | 0.73–0.96 |
| Lateral radial strain | 0.90 | 0.74–0.96 |
| Intraobserver | ||
| Apical rotation | 0.93 | 0.81–0.97 |
| Septal circumferential strain | 0.91 | 0.73–0.96 |
| Lateral circumferential strain | 0.91 | 0.75–0.97 |
| Septal radial strain | 0.92 | 0.79–0.97 |
| Lateral radial strain | 0.92 | 0.78–0.97 |