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Table 1 Wear assumptions for both the Navlit and Navopt models

From: Imageless robotic total knee arthroplasty determines similar coronal plane alignment of the knee (CPAK) parameters to long leg radiographs

Preoperative deformity

Wear assumption

Navlit

Navopt

Varus

Varus HKA threshold (°)

3

1

Medial distal femoral adjustment (mm)

2.0

2.0

Medial proximal tibial adjustment (mm)

2.0

1.5

Valgus

Valgus HKA threshold (°)

3

2

Lateral distal femur adjustment (mm)

2.0

0.5

Lateral proximal tibial adjustment (mm)

2.0

1.0