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Table 3 Mean values of the normalized stride duration variability and spatiotemporal gait variables (Z-score) for the comparison between the usual walking (UW) and the Nordic walking (NW) sessions in Parkinson’s disease

From: Does Nordic Walking restore the temporal organization of gait variability in Parkinson’s disease?

 

Z-score

UW

p-value

NW

p-value

Stride duration variability

 Temporal organization

  H exponent

−1.14 (±0.60)

≤0.001

−0.31 (±0.97)

0.254

  α exponent

−0.70 (±0.51)

≤0.001

0.49 [−0.59; 0.56]

0.715

 Magnitude

  CV (%)

0.11 (±0.81)

0.632

1.72 (±1.35)

≤0.001

Spatiotemporal gait variables

  Gait speed (m/s)

−1.51 (±1.33)

≤0.001

−0.97 (±1.67)

0.049

  Gait cadence (#steps/min)

−0.94 (±1.71)

0.059

−2.99 [−3.51; −0.13]

≤0.001

  Step length (m)

−0.65 (±0.38)

≤0.001

0.09 (±0.43)

0.406

  1. Z-score is expressed as mean (± SD) (one-sample t-test) or median [range] (one-sample Wilcoxon signed-rank test)
  2. Bold data indicates if the Z-score significantly differed from 0 (p < 0.05): One-sample t-test (normally distributed values) or one-sample Wilcoxon signed-rank test (non-normally distributed values)