Table 4 Postoperative radiological results (means ± SD): Slope in the NexGen group is aimed to be 7° and 0° in the Scorpio group (mLDFA: mechanical lateral distal femur angle, MPTA: medial proximal tibia angle)
Parameter/Group | (1) NexGen Control | (2) NexGen navigated | (3) Scorpio navigated |
|---|---|---|---|
Mechanical femoro-tibial axis | 0.8° ± 2.7° | 1.0° ± 3.1° | -0.6° ± 2.6° |
mLDFA | 89.5° ± 2.5° | 89.5° ± 1.5° | 90.0° ± 1.3° |
Rotational alignment femoral component | -0.9° ± 6.5° | 0.2° ± 5.4° | -0.8° ± 4.5° |
MPTA | 89.1° ± 1.7° | 88.9° ± 2.1° | 90.0° ± 1.6° |
Rotational alignment tibial component | -1.6° ± 6.1° | -0.6° ± 5.0° | -2.1° ± 4.2° |
Tibial Slope | -4.0° ± 2.6° | -4.6° ± 2.3° | -2.2° ± 2.1° |