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

From: Comparison between sEMG and force as control interfaces to support planar arm movements in adults with Duchenne: a feasibility study

Metric    S1 S2 S3
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 -
  1. Bold pv a l u e s indicate a signinfcant difference