Research Article
The Effect of Femoral Cutting Guide Design Improvements for Patient-Specific Instruments
Table 3
Differences between planned bone resections and bone resections recorded from the PSI intraoperatively (mm).
| | | Group II | Group III | | | MRI 2 mm slice thickness (w/motion artifacts) & offset design () | MRI 2 mm slice thickness (w/o motion artifacts) & full contact design () | Ave. | MRI 2 mm slice thickness (w/motion artifacts), offset & optimized design () | MRI 2 mm slice thickness (w/o motion artifacts), full contact & optimized design () | Ave. |
| Distal | (±SD) | 0.56 (±0.12) | 0.28 (±0.04) | 0.44 (±0.17) | 0.26 (±0.04) | 0.16 (±0.04) | 0.21 (±0.06) | (±SD) | 0.46 (±0.09) | 0.18 (±0.03) | 0.32 (±0.15) | 0.14 (±0.03) | 0.12 (±0.02) | 0.13 (±0.03) |
| Posterior | (±SD) | 0.34 (±0.07) | 0.23 (±0.03) | 0.27 (±0.08) | 0.20 (±0.03) | 0.18 (±0.02) | 0.19 (±0.02) | (±SD) | 0.19 (±0.03) | 0.17 (±0.01) | 0.18 (±0.02) | 0.14 (±0.02) | 0.12 (±0.01) | 0.13 (±0.01) |
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