Table 3 Intra- and inter-observer variability of cardiac MRI tissue tracking.
Inter−observer (n = 30) | Intra−observer (n = 30) | |||
|---|---|---|---|---|
ICC | 95% CI | ICC | 95% CI | |
Global | ||||
Radial PS(%) | 0.98 | 0.95−0.99 | 0.98 | 0.97−0.99 |
Circumferential PS(%) | 0.98 | 0.96−0.99 | 0.99 | 0.98−0.99 |
Longitudinal PS(%) | 0.94 | 0.87−0.97 | 0.97 | 0.93−0.98 |
Basal | ||||
Radial PS(%) | 0.96 | 0.93−0.98 | 0.97 | 0.93−0.99 |
Circumferential PS(%) | 0.96 | 0.88−0.99 | 0.96 | 0.92−0.98 |
Longitudinal PS(%) | 0.90 | 0.79−0.95 | 0.93 | 0.86−0.97 |
Mid | ||||
Radial PS(%) | 0.96 | 0.91−0.98 | 0.96 | 0.91−0.98 |
Circumferential PS(%) | 0.99 | 0.98−0.99 | 0.99 | 0.98−0.99 |
Longitudinal PS(%) | 0.89 | 0.79−0.95 | 0.95 | 0.90−0.98 |
Apical | ||||
Radial PS(%) | 0.93 | 0.86−0.97 | 0.94 | 0.88−0.97 |
Circumferential PS(%) | 0.97 | 0.94−0.99 | 0.98 | 0.96−0.99 |
Longitudinal PS(%) | 0.89 | 0.78−0.94 | 0.91 | 0.82−0.96 |
