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Table 2 Quality of fit of the regressions for step (SPS), impulse (IMS) and first peak symmetry (P1S) indexes vs stance symmetry index (SNS)

From: Reference values for gait temporal and loading symmetry of lower-limb amputees can help in refocusing rehabilitation targets

  SPS vs SNS IMS vs SNS P1S vs SNS
R 2 RMSE R 2 RMSE R 2 RMSE
TFM 0,97 0,042 0,81 0,137 0,06 0,154
TFC 0,81 0,042 0,69 0,090 0,04 0,177
TT 0,70 0,036 0,37 0,128 0,20 0,289
CONTROLS 0,51 0,017 0,47 0,040 0,05 0,038
ALL 0,95 0,037 0,79 0,103 0,00 0,247
  1. The coefficient of determination (R2), and the Root Mean Squared Error (RMSE) are reported for every group (TFM transfemoral mechanical knee users, TFC transfemoral C-leg users, TT transtibial amputees, Controls), and for all subjects altogether (ALL). Bold: R2 > 0.64, Regular: 0.36 < R2 < 0.64, Italic: R2 < 0.36 [30]