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Table 4 Regression coefficients and VIP scores of the PLS regression analysis

From: Effects of handrail hold and light touch on energetics, step parameters, and neuromuscular activity during walking after stroke

  Regression coefficient VIP score
Spatiotemporal step parameters
    Stride time −0.19 2.19*
    Stride length −0.18 1.93*
    Step length asymmetry −0.17 1.74*
    Step width −0.06 0.22
    Step width variability 0.03 0.07
Muscle activation parameters
    RMS 1 −0.03 0.01
    RMS 2 0.18 1.99*
    RMS 3 0.20 2.51*
    Variance of relative phase 0.09 0.51
    CAI GM_TA paretic −0.09 0.47
    CAI GM_TA nonpar 0.05 0.14
    CAI TA_PL nonpar 0.05 0.18
  1. Model was built on difference scores (HOLD - NORM). Variables with a VIP score >1.0, indicating importance for the model, are marked with an asterisk. A negative regression coefficient indicates that an increase in the parameter is associated with a decrease in energy cost and vice versa