Intra- and inter-observer reproducibility for 2D and 3D CMR-FT
Variability | Mean 3D bias±SD | Mean 2D bias±SD | T-Test on 2D vs 3D bias | 3D intraclass correlation coefficient (95% CI) | 2D intraclass correlation coefficient (95% CI) |
|---|---|---|---|---|---|
GLS Intra-observer | 1.73±1.43 | 1.85±1.52 | p=0.70 | 0.64 (0.38 to 0.79) | 0.67 (0.50 to 0.79) |
GLS Inter-observer | 1.11±1.48 | 1.58±1.91 | p= 0.25 | 0.53 (0.04 to 0.82) | 0.62 (0.19 to 0.85) |
GCS Intra-observer | 1.10±1.10 | 1.87±1.74 | p< 0.01 | 0.81 (0.67 to 0.89) | 0.75 (0.61 to 0.85) |
GCS Inter-observer | 1.02±1.22 | 2.08±2.28 | p= 0.03 | 0.79 (0.79 to 0.88) | 0.56 (0.04 to 0.83) |
GRS Intra-observer | 6.66±8.06 | 8.90±9.71 | p= 0.10 | 0.63 (0.44 to 0.77) | 0.61 (0.42 to 0.75) |
GRS Inter-observer | 6.13±7.48 | 10.78±12.67 | p= 0.04 | 0.67 (0.27 to 0.87) | 0.35 (-0.09 to 0.71) |