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Table 2 Mean gait parameters of the 6-min walk

From: Stability of sensor-based gait parameters reassessed after a period of one year in people with multiple sclerosis

 

Assessment 1

Assessment 2

ICC (95% CI; p-value)

Bias (lower – upper limit)

95% LoA

Walking speed (m/s)

 Control

1.67 ± 0.19

1.65 ± 0.23

0.91 (0.79–0.96; p < 0.001)

-0.018 (-0.192–0.155)

0.174

 PwMS

1.46 ± 0.25*

1.46 ± 0.25*

0.93 (0.87–0.96; p < 0.001)

0.006 (-0.184–0.197)

0.191

  MS subgroup 1

1.55 ± 0.14

1.57 ± 0.18

0.82 (0.59–0.92; p < 0.001)

0.026 (-0.167–0.219)

0.193

  MS subgroup 2

1.38 ± 0.30*

1.37 ± 0.27*

0.94 (0.88–0.98; p < 0.001)

-0.010 (-0.197–0.177)

0.187

Stride length (m)

 Control

1.62 ± 0.17

1.61 ± 0.18

0.94 (0.85–0.98; p < 0.001)

-0.004 (-0.124–0.117)

0.121

 PwMS

1.45 ± 0.19*

1.46 ± 0.20*

0.95 (0.92–0.97; p < 0.001)

0.012 (-0.104–0.128)

0.116

  MS subgroup 1

1.53 ± 0.11

1.55 ± 0.14

0.86 (0.67–0.94; p < 0.001)

0.023 (-0.111–0.157)

0.134

  MS subgroup 2

1.38 ± 0.21*

1.38 ± 0.21*

0.97 (0.94–0.99; p < 0.001)

0.002 (-0.095–0.099)

0.097

Stride time (s)

 Control

0.97 ± 0.05

0.98 ± 0.07

0.89 (0.74–0.96; p < 0.001)

0.011 (-0.044–0.067)

0.056

 PwMS

1.00 ± 0.09

1.01 ± 0.08

0.88 (0.80–0.94; p < 0.001)

0.003 (-0.077–0.082)

0.080

  MS subgroup 1

0.99 ± 0.07

0.99 ± 0.07

0.86 (0.68–0.94; p < 0.001)

-0.000 (-0.074–0.073)

0.074

  MS subgroup 2

1.01 ± 0.10

1.02 ± 0.09

0.89 (0.77–0.95; p < 0.001)

0.005 (-0.080–0.091)

0.086

Stance phase (s)

 Control

0.51 ± 0.03

0.52 ± 0.04

0.82 (0.59–0.92; p < 0.001)

0.005 (-0.038–0.049)

0.043

 PwMS

0.55 ± 0.06

0.55 ± 0.06

0.89 (0.80–0.94; p < 0.001)

-0.001 (-0.056–0.054)

0.055

  MS subgroup 1

0.53 ± 0.04

0.53 ± 0.04

0.80 (0.57–0.92; p < 0.001)

-0.003 (-0.057–0.051)

0.054

  MS subgroup 2

0.56 ± 0.07*

0.56 ± 0.06

0.91 (0.79–0.96; p < 0.001)

0.001 (-0.056–0.058)

0.057

Swing phase (s)

 Control

0.46 ± 0.03

0.46 ± 0.03

0.84 (0.64–0.93; p < 0.001)

0.007 (-0.026–0.039)

0.032

 PwMS

0.46 ± 0.03

0.46 ± 0.04

0.87 (0.77–0.92; p < 0.001)

0.004 (-0.033–0.040)

0.036

  MS subgroup 1

0.46 ± 0.03

0.47 ± 0.03

0.87 (0.71–0.95; p < 0.001)

0.003 (-0.027–0.032)

0.030

  MS subgroup 2

0.45 ± 0.04

0.46 ± 0.04

0.86 (0.70–0.94; p < 0.001)

0.005 (-0.037–0.046)

0.041

MTC (cm)

 Control

2.09 ± 0.64

2.35 ± 0.54

0.52 (0.11–0.78; p = 0.008)

0.003 (-0.009–0.014)

0.011

 PwMS

2.07 ± 0.74

2.36 ± 0.78

0.75 (0.58–0.85; p < 0.001)

0.003 (-0.008–0.013)

0.011

  MS subgroup 1

2.10 ± 0.67

2.49 ± 0.77

0.70 (0.38–0.87; p < 0.001)

0.004 (-0.007–0.015)

0.011

  MS subgroup 2

2.05 ± 0.81

2.24 ± 0.77

0.79 (0.58–0.90; p < 0.001)

0.002 (-0.008–0.012)

0.010

  1. All values are expressed as mean ± standard deviation. Significant differences from healthy controls are indicated with ‘*’ (p < 0.05). MTC: minimum toe-to-floor distance