Table 2.
Radiographic results for ROBODOC®-assisted and conventional TKA groups
| Radiographic variable | ROBODOC® | Conventional | p value |
|---|---|---|---|
| Mechanical axis (°)* | |||
| Preoperative | 6.6 ± 2.4 | 10.9 ± 2.9 | < 0.001 |
| Postoperative | 0.5 ± 1.4 | 1.2 ± 2.9 | 0.06 |
| Coronal inclination (°)* | |||
| Femoral prosthesis | 89.5 ± 0.7 | 88 ± 1.3 | < 0.001 |
| Tibial prosthesis | 90.1 ± 0.9 | 90.7 ± 1.8 | 0.04 |
| Sagittal inclination (°)* | |||
| Femoral prosthesis | 1.1 ± 0.7 | 1.1 ± 1.1 | 0.85 |
| Tibial prosthesis | 85.6 ± 3.4 | 86.1 ± 4.6 | 0.51 |
| Error ≥ ± 3° (number of patients) | |||
| Mechanical axis | 0 | 12 | < 0.001 |
| Femoral coronal inclination | 0 | 2 | 0.15 |
| Femoral sagittal inclination | 0 | 2 | 0.15 |
| Tibial coronal inclination | 0 | 3 | 0.08 |
| Tibial sagittal inclination | 1 | 3 | 0.31 |
* Values are expressed as mean ± SD.