Table IV.
Surgical errors simulated, measured from the baseline, planned positions.
| Error type | Medial (2 SD) | Lateral (2 SD) | Compound (1 SD each) | |
|---|---|---|---|---|
| Medial | Lateral | |||
| Translations, mm | ||||
| Lateral | +2.9 | -5.5 | +2.2 | -3.5 |
| Proximal | -2.6 | -2.6* | -0.6 | -0.6* |
| Rotations, ° | ||||
| Flexion | -11.4 | -7.5 | -8.1 | -4.5 |
| Varus | +1.1 | +2.3 | +2.05 | +0.3 |
| Internal | -7.4 | +7.4 | -1.7 | +0.4 |
*
Duplicated error from UKA-M reference, as no error acting in the detrimental direction measured for UKA-L was available.
SD, standard deviation; UKA-L, isolated lateral unicondylar knee arthroplasty; UKA-M, isolated medial unicondylar knee arthroplasty.