Table 3 Bias, precision, limits of agreement and corrected percentage error between Doppler, 2D and 3D volumetric data
Techniques being compared | Value | Bias | Precision | Limits of agreement | Corrected Percentage error |
|---|---|---|---|---|---|
Doppler vs 2D Simpson’s biplane | Stroke volume, ml | 0.2 | 11.9 | − 23.1 to 23.5 | 50.2% |
Doppler vs 3D LV | Stroke volume, ml | 2.6 | 10.4 | − 17.8 to 23.0 | 51.3% |
Doppler vs 3D RV | Stroke volume, ml | 4.1 | 15.4 | − 26.2 to 34.3 | 73.5% |
3D LV vs 3D RV | Stroke volume, ml | 2.7 | 14.9 | − 26.5 to 31.9 | 67.6% |
2D Simpson’s biplane vs 3D LV | Stroke volume, ml | 2.8 | 11.5 | − 19.7 to 25.4 | 40.1% |
LV end-diastolic volume, ml | 5.7 | 19.7 | − 33.0 to 44.3 | 37.0% | |
LV end-systolic volume, ml | 2.8 | 17.0 | − 30.6 to 36.2 | 74.6% | |
Ejection fraction, % | 0.7 | 10.7 | − 20.4 to 21.7 | 40.4% |