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Double examination of 10 patients. The precision is presented as mean + 2.7 SD of the error from the double examinations (99% confidence limits for statistically significant migration/rotation)
| Cup migration | |
|---|---|
| Migration | |
| Medial-lateral (X) | 0.11 mm |
| Proximal-distal (Y) | 0.19 mm |
| Anterior-posterior (Z) | 0.15 mm |
| Rotation | |
| Transverse axis (X) | 0.33° |
| Longitudinal axis (Y) | 0.35° |
| Sagittal axis (Z) | 0.45° |
