Femoral component position and orientation

Difference (achieved using conventional instrumentation surgery vs. calculated using conceptual active surgical plan (SEISPT)

RMSE

with Navio^®

Surgical System

[38]

Robotic implant alignment accuracy error (median ± std. dev.) [39]

Medial-lateral

4.23 mm

NS

NS

Anterior-posterior

4.10 mm

1.46 mm

NS

Superior-inferior

6.73 mm

0.86 mm

NS

Flexion-extension

0.18˚

2.18˚

0.6˚ ± 0.5˚

Varus-valgus

3.73˚

0.71˚

0.6˚ ± 0.3˚

Internal-external

3.98˚

0.69˚

0.8˚ ± 0.5˚

Tibial component position and orientation

Difference (achieved using conventional instrumentation surgery vs. calculated using conceptual active surgical plan (SEISPT)

RMSE with Navio^® Surgical System

[38]

Robotic implant alignment accuracy error (median ± std. dev.) [39]

Medial-lateral

3.68 mm

1.29 mm

NS

Anterior-posterior

1.26 mm

0.79 mm

NS

Superior-inferior

7.60 mm

0.68 mm

NS

Flexion-extension

1.58˚

0.88˚

1.1˚ ± 1.6˚

Varus-valgus

2.45˚

0.69˚

0.9˚ ± 0.4˚

Internal-external

3.20˚

2.21˚

NS