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Comparison between MPC (n = 89) and mechanical QA (n = 7) couch tests. Difference from nominal. Mean ± 1 SD
| Couch | MPC (mm/°) | Mechanical QA (mm/°) |
|---|---|---|
| Lateral | −0.16 ± 0.04 | −0.04 ± 0.04 |
| Longitudinal | 0.02 ± 0.02 | 0.02 ± 0.04 |
| Vertical | −0.02 ± 0.03 | −0.08 ± 0.40 |
| Rotation | −0.16 ± 0.01 | −0.01 ± 0.07 |
| Pitch | −0.01 ± 0.01 | 0.00 ± 0.09 |
| Roll | −0.01 ± 0.01 | −0.02 ± 0.10 |
