Table 5 Inter- and intra-observer variability of tissue tracking and LGE
Intra-observer (n = 70) | 95% CI | Inter-observer (n = 70) | 95% CI | |
|---|---|---|---|---|
PS, % | ||||
Radial PS (%) | 0.959 | 0.901–0.982 | 0.955 | 0.905–0.979 |
Circumferential PS (%) | 0.932 | 0.851–0.969 | 0.938 | 0.866–0.972 |
Longitudinal PS (%) | 0.923 | 0.831–0.965 | 0.883 | 0.745–0.947 |
PSSR, 1/s | ||||
Radial | 0.938 | 0.899–0.977 | 0.920 | 0.833–0.962 |
Circumferential | 0.866 | 0.862–0.968 | 0.915 | 0.823–0.960 |
Longitudinal | 0.828 | 0.717–0.935 | 0.849 | 0.516–0.948 |
PDSR, 1/s | ||||
Radial | 0.952 | 0.871–0.970 | 0.925 | 0.843–0.964 |
Circumferential | 0.934 | 0.720–0.936 | 0.847 | 0.596–0.934 |
Longitudinal | 0.864 | 0.641–0.918 | 0.777 | 0.485–0.913 |
LGE | ||||
Infarct size, g | 0.895 | 0.790–0.898 | 0.893 | 0.782–0.947 |
Infarct size, g % of LV | 0.891 | 0.780–0.896 | 0.885 | 0.667–0.923 |
Total LV infarct extent (%) | 0.827 | 0.544–0.905 | 0.882 | 0.651–0.893 |