Table 2 Feature Tracking, interobserver and intraobserver coefficient of variation
| Â | Global | Basal | Mid | Apical | ||||
|---|---|---|---|---|---|---|---|---|
| Â | FT Interobserver agreement | FT Intraobserver agreement | FT Interobserver agreement | FT Intraobserver agreement | FT Interobserver agreement | FT Intraobserver agreement | FT Interobserver agreement | FT Intraobserver agreement |
Longitudinal Strain | 10.9 | 12.3 | 10.8 | 17.7 | 17.5 | 17.7 | 31.3 | 42.7 |
Longitudinal Strain Rate | 16.2 | 16.0 | 34.3 | 19.2 | 21.1 | 17.8 | 25.6 | 23.2 |
Radial Strain | 32.3 | 22.9 | 13.5 | 48.5 | 26.3 | 14.8 | 29.1 | 23.9 |
Radial Strain Rate | 14.9 | 15.6 | 15.8 | 14.1 | 27.2 | 11.3 | 31.3 | 30.2 |
Circumferential Strain | 4.9 | 2.8 | 3.2 | 6.0 | 4.5 | 6.4 | 9.2 | 6.0 |
Circumferential Strain rate | 7.9 | 6.3 | 15.9 | 6.3 | 6.9 | 18.3 | 17.3 | 9.1 |
Longitudinal Velocity | 13.2 | 22.2 | 24.3 | 23.3 | 33.7 | 32.2 | 65.5 | 31.2 |
Longitudinal Displacement | 18.6 | 31.8 | 25.6 | 18.1 | 37.2 | 34.9 | 43.9 | 75.6 |
Radial Velocity | 2.4 | 6.2 | 5.2 | 5.1 | 5.0 | 4.5 | 6.2 | 7.3 |
Radial Displacement | 2.7 | 4.3 | 7.5 | 4.3 | 6.4 | 4.5 | 7.5 | 5.7 |