Table 6.
Results for Mean and RMS Error in LVV Over the Physiologic Volume Range, and EF and % Error in EF Using 3D Surface Fitting for LV Volume Estimation Based on 12 Short‐Axis Plus 12‐Long‐Axis Slices (24 Slices Total), and Variants Using 6 and 4 Slices in Each View (Labeled 12 and 8 Slice Variants)
| 3D Surface Fitting | 24 Slices | 12 Slices Var. 1 | 12 Slices Var. 2 | 12 Slices Mean | 8 Slices Var. 1 | 8 Slices Var. 2 | 8 Slices Var. 3 | 8 Slices Mean |
|---|---|---|---|---|---|---|---|---|
| Mean LVV error, mL | 0.36 | 0.43 | 0.47 | 0.45 | 0.55 | −0.03 | 0.89 | 0.47 |
| Mean error, % | 0.66 | 0.78 | 0.86 | 0.82 | 0.99 | −0.05 | 1.60 | 0.85 |
| RMS error, % | 1.11 | 1.27 | 1.41 | 1.34 | 1.39 | 0.84 | 2.25 | 1.49 |
| EF | 0.394 | 0.388 | 0.394 | 0.391 | 0.431 | 0.404 | 0.378 | 0.391 |
| EF error, % | 2.1 | 3.7 | 2.1 | 2.9 | 1.9 | −0.3 | 6.1 | 2.9 |
3D indicates 3 dimensional; EF, ejection fraction; LVV, left ventricular cavity volume; RMS, root mean square.