Table 2 Comparison of physical and virtual prosthesis performance metrics

Classification accuracy, %

  Overall

90.7 (3.2)

92.0 (5.0)

  Knee

92.7 (1.6)

93.0 (2.2)

  Ankle

85.0 (7.4)

87.5 (10.2)

Completion time, s

  Overall

1.32 (0.1)

1.26 (0.1)

  Knee

1.23 (0.3)

1.11 (0.1)

  Ankle (all)

1.40 (0.3)

1.32 (0.1)

  Ankle (knee at 90 deg)

n/a

1.37 (0.3)

  Ankle (knee at 45 deg)

n/a

1.31 (0.2)

Completion rate, %

  Overall

98.2 (3.2)

96.3 (4.3)

  Knee

100.0 (0)

100.0 (0)

  Ankle (all)

96.3 (6.4)

97.2 (4.8)

  Ankle (knee at 90 deg)

n/a

100.0 (0)

  Ankle (knee at 45 deg)

n/a

88.9 (12.8)