Skip to main content

Table 4 Mean and standard deviation of the gait measures for the age matched groups

From: SPARC: a new approach to quantifying gait smoothness in patients with Parkinson’s disease

 

Healthy Controls (HC)

PD ON

PD OFF

Effect Size & p-value

HC vs PD ON

HC vs PD OFF

ON vs OFF

SPARC

Acc

−5.08 ± 0.71

−6.37 ± 0.64

−6.88 ± 0.64

1.95 (<  0.001)

2.69 (0.001)

0.003

V

−4.25 ± 0.14

− 4.85 ± 0.61

− 5.77 ± 0.76

1.36 (< 0.001)

2.78 (0.001)

<  0.001

AP

−5.42 ± 0.70

−5.83 ± 0.42

− 6.69 ± 0.47

0.73 (0.033)

2.18 (<  0.001)

<  0.001

ML

−5.69 ± 0.56

−5.33 ± 0.43

−5.38 ± 0.49

− 0.73 (0.025)

− 0.61 (0.060)

0.934

Gyr

− 5.01 ± 0.64

−5.30 ± 0.56

−5.83 ± 0.71

0.49 (0.120)

1.23 (<  0.001)

0.009

Yaw

−5.93 ± 0.82

− 6.14 ± 0.84

− 6.76 ± 0.86

0.26 (0.408)

1.00 (0.002)

0.030

Roll

− 5.91 ± 0.90

− 6.25 ± 0.75

−6.75 ± 0.68

0.41 (0.190)

1.06 (0.002)

0.013

Pitch

−6.30 ± 0.85

−6.77 ± 0.88

−7.61 ± 1.10

0.54 (0.087)

1.33 (<  0.001)

0.005

Harmonic ratios

V

2.62 ± 0.65

2.53 ± 0.60

2.99 ± 0.78

0.14 (0.648)

− 0.52 (0.104)

0.010

AP

1.02 ± 0.46

1.14 ± 0.55

1.98 ± 0.53

− 0.25 (0.424)

− 0.52 (<  0.001)

<  0.001

ML

0.63 ± 0.12

0.57 ± 0.09

0.52 ± 0.06

0.52 (0.100)

1.18 (0.001)

0.112

Mean Gait Speed

1.20 ± 0.23

1.10 ± 0.20

1.04 ± 0.23

0.48 (0.127)

0.72 (0.026)

0.509

Stride Time

Mean

1.05 ± 0.04

1.12 ± 0.10

1.09 ± 0.12

− 0.87 (0.004)

− 0.43 (0.143)

0.536

Variability

3.50 ± 1.27

3.67 ± 1.56

5.82 ± 5.05

− 0.12 (0.717)

− 0.066 (0.054)

0.550

  1. Note: Significant results are displayed in bold