Table 4 Postoperative mechanical axis and mean value of each angle (coronal and sagittal of femur, tibia implant) in the two study groups
| Angle | NAVIO robotically assisted UKA (n = 16) | MAKO robotically assisted UKA (n = 17) | P value |
|---|---|---|---|
| Mechanical axis | |||
| Preoperative | 165.7 (7.5) | 166.7 (5.3) | 0.659 |
| Postoperative | 180.1 (2.2) | 179.7 (1.5) | 0.544 |
| Femoral | |||
| Coronal | 90.1 (0.9) | 90.2 (0.7) | 0.723 |
| Sagittal | 90.2 (1) | 89.7 (0.4) | 0.066 |
| Tibial | |||
| Coronal | 90 (0.5) | 89.7 (1) | 0.289 |
| Sagittal | − 5.8 (1) | − 6.1 (1) | 0.396 |