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Axial-plane needle artifact position error mean and standard deviation averaged over the fifteen tested needle orientations. ‘delta X’ and ‘delta Y’ represent R (right) and A (anterior) coordinate directions in scanner coordinate, respectively.
| delta X (mm) | delta X std (mm) | delta Y (mm) | delta Y std (mm) | |
|---|---|---|---|---|
| Titanium – Glass (manual) | 0.32 | 0.19 | 0.38 | 0.57 |
| Titanium – Glass (fitted line) | 0.32 | 0.13 | 0.38 | 0.56 |
