Table 5 Summary of the means and standard deviations and statistical tests for each performance metric, interface and subject

PTC (%)

Interface

FNC

90.5(±6.5)

80.3(±14.9)

-

FSC

88.2(±5.6)

96.5(±3.4)

73.6(±15.3)

sEMG

93.9(±5.3)

95.9(±3.2)

85(±7.1)

Friedman’s Test

p = 0 . 0 1 2

p = 0 . 0 2 2

p=0.179

FNC-FSC

p=0.366

p = 0 . 0 0 2

-

Wilcoxon Test

FSC-sEMG

p = 0 . 0 0 4

p=0.389

p=0.099

sEMG-FNC

p=0.089

p = 0 . 0 0 5

-

FNC

0.92(±0.26)

1.78(±1.04)

-

TE (cm)

Interface

FSC

0.91(±0.25)

0.54(±0.34)

1.92(±0.46)

sEMG

1.56(±1.13)

0.71(±0.35)

2.01(±0.58)

Friedman’s Test

p=0.420

p = 0 . 0 1 5

p=0.655

FNC-FSC

p=0.967

p = 0 . 0 0 2

-

Wilcoxon Test

FSC-sEMG

p=0.249

p=0.115

p=0.953

sEMG-FNC

p=0.216

p = 0 . 0 0 7

-

FNC

−3.2(±0.34)

−3.19(±0.47)

-

SM (-)

Interface

FSC

−3.83(±0.75)

−3.02(±0.26)

−3.37(±0.15)

sEMG

−3.5(±0.68)

−3.29(±0.52)

−3.35(±0.69)

Friedman’s Test

p=0.057

p=0.549

p=0.179

FNC-FSC

p = 0 . 0 1 6

p=0.394

-

Wilcoxon Test

FSC-sEMG

p=0.486

p=0.148

p=0.594

sEMG-FNC

p=0.148

p=0.932

-

FNC

3.27(±0.39)

3.35(±0.7)

-

SP (cm/s)

Interface

FSC

2.70(±0.38)

3.48(±0.2)

1.49(±0.35)

sEMG

2.13(±0.53)

2(±0.3)

2.02(±0.57)

Friedman’s Test

p < 0 . 0 0 1

p = 0 . 0 2 2

p=0.655

FNC-FSC

p < 0 . 0 0 1

p=0.930

-

Wilcoxon Test

FSC-sEMG

p = 0 . 0 0 2

p < 0 . 0 0 1

p=0.129

sEMG-FNC

p < 0 . 0 0 1

p < 0 . 0 0 1

-