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Overall mean displacement magnitudes (SD) for anthropomorphic head phantom verification tests using 2.5‐mm slice spacing
| Type | Couch lat (mm) | Couch long (mm) | Couch vert (mm) | Couch rtn (°) |
|---|---|---|---|---|
| translations only | 0.11 (0.33) | 0.33 (0.49) | 0.50 (0.51) | 0.26 (0.31) |
| combined translations | 0.67 (0.49) | 0.44(0.51) | 0.89 (0.32) | 0.56 (0.37) |
| rotations only | 0.25 (0.45) | 0.67 (0.49) | 0.50 (0.52) | 0.57 (0.40) |
| combined translations and rotations | 0.42 (0.51) | 1.1 (0.38) | 0.75 (0.87) | 0.30 (0.25) |
