Table 2 Position verification results for the MR-only workflow and the CT/MR workflow, based on burned-in FM. Values indicated by an asterisk are significantly different from zero (p-value < 0.05)
RL (mm) | CC (mm) | AP (mm) | RL-axis (°) | CC-axis (°) | AP-axis (°) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
sCT | CT | sCT | CT | sCT | CT | sCT | CT | sCT | CT | sCT | CT | |
Population mean | − 0.2 | − 0.3 | − 0.7 | − 0.7 | − 0.3 | − 0.3 | − 0.5 | − 0.6 | 0.8 | 0.6 | − 0.6 | − 0.5 |
Systematic error (Σ) | 2.8 | 2.8 | 3.8 | 3.7 | 2.9 | 2.8 | 4.6 | 4.8 | 2.7 | 2.6 | 2.4 | 1.8 |
Random error (σ) | 3.3 | 3.3 | 2.7 | 2.7 | 2.9 | 2.8 | 4.4* | 4.0* | 2.2* | 1.9* | 1.4* | 1.2* |