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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)

From: Navigation of total knee arthroplasty: rotation of components and clinical results in a prospectively randomized study

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°