Table 3.
Results of the Patient Study.a
| Difference | Vertical (mm) | Longitudinal (mm) | Lateral (mm) | Rotation (°) | Roll (°) | Pitch (°) |
|---|---|---|---|---|---|---|
| Minimum | 0.02 | 0.03 | 0.01 | 0.15 | 0 | 0 |
| Maximum | 0.64 | 0.79 | 0.62 | 0.72 | 0.48 | 0.47 |
| Mean | 0.20 | 0.30 | 0.21 | 0.40 | 0.17 | 0.20 |
| Standard deviation | 0.16 | 0.18 | 0.18 | 0.16 | 0.13 | 0.14 |
Abbreviation: CBCT, cone-beam computed tomography.
aResidual error differences (absolute values) in translational and rotational directions, between ExacTrac X-ray imaging registration and TrueBeam CBCT registration among 34 patient studies.