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Table 4 Regression coefficients, standard error, t-values, and p-values for multivariate regression models to UPDRS-gait and SAS-gait with 2D gait features

From: Assessment of Parkinsonian gait in older adults with dementia via human pose tracking in video data

 

UPDRS-gait

SAS-gait

Regression Coefficient

Std. Error

t-value

p-value

Regression Coefficient

Std. Error

t-value

p-value

Coefficients

age

0.11

0.018

6.0

< 0.001**

0.071

0.016

4.4

< 0.001**

sex (male)

1.7

0.29

5.8

< 0.001**

2.2

0.29

7.6

< 0.001**

steps of walk

0.024

0.044

0.55

0.58

0.0035

0.034

0.10

0.92

cadence (steps/min)

0.0089

0.0075

1.2

0.23

0.024

0.0079

3.1

0.0019**

SI step time

−0.0061

0.0047

−1.3

0.20

−0.0034

0.0044

−0.76

0.44

CV step time

−1.1

0.62

−1.8

0.080

−1.6

0.62

−2.6

0.011*

average MOS

N/A

N/A

N/A

N/A

3.2

0.85

3.7

< 0.001**

Intercepts

0|1

7.4

1.3

5.8

< 0.001**

7.5

1.3

5.7

< 0.001**

1|2

9.5

1.4

7.0

< 0.001**

9.8

1.4

6.9

< 0.001**

2|3

29

1.4

22

< 0.001**

12

1.5

8.2

< 0.001**

3|4

30.

1.4

22

< 0.001**

43

1.5

29

< 0.001**

  1. *significant at p < 0.05, **significant at p < 0.01