Table 3 M ± SD of the oscillatory parameters of the ACC- and MMG-signals of the less and more affected side of PD and the left and right side of Con, respectively, and the corresponding significance p and effect size r of the group comparisons between PD and Con.

From: Parkinson patients without tremor show changed patterns of mechanical muscle oscillations during a specific bilateral motor task compared to controls

ACC

PD (n = 16)

Con (n = 20)

Sign. p

Effect r

Slope [°]

M

0.32 ± 1.61

0.60 ± 1.50

0.671

—

CV

1.82 ± 2.26

5.15 ± 2.23

0.741

—

VAmp

M

0.57 ± 0.13

0.83 ± 0.16

0.000

0.67

CV

0.16 ± 0.04

0.11 ± 0.04

0.002

0.50

Freq [Hz]

M

12.99 ± 1.11

14.20 ± 1.28

0.009

0.43

CV

0.038 ± 0.02

0.043 ± 0.02

0.912

—

MMGbi (nPD = 37; nCon = 46)

PD

Con

Sign. p

Effect r

Less affected

more affected

le

ri

Slope [°]

M

0.25 ± 0.34

0.29 ± 0.61

0.38 ± 0.53

0.34 ± 0.71

0.996

—

CV

2.71 ± 3.35

1.69 ± 1.79

2.81 ± 6.69

3.29 ± 4.42

0.707

—

DiffM

0.59 ± 0.69

0.59 ± 0.51

0.610

—

DiffCV

19.83 ± 13.67

18.49 ± 13.14

0.699

—

VAmp

M

0.72 ± 0.17

0.73 ± 0.20

0.84 ± 0.10

0.88 ± 0.19

0.001

0.37

CV

0.13 ± 0.08

0.16 ± 0.07

0.14 ± 0.06

0.15 ± 0.07

0.927

—

DiffM

5.71 ± 2.93

5.18 ± 2.28

0.079

—

DiffCV

13.38 ± 8.11

10.74 ± 8.65

0.284

—

Frequency [Hz]

M

13.94 ± 1.01

13.69 ± 1.16

14.46 ± 1.0

14.06 ± 1.5

0.105

—

CV

0.05 ± 0.01

0.05 ± 0.02

0.05 ± 0.03

0.05 ± 0.04

0.847

—

DiffM

1.88 ± 0.75

2.64 ± 1.78

0.394

—

DiffCV

9.77 ± 7.99

11.41 ± 7.34

0.639

—

MMGbra (nPD = 27; nCon = 30)

Less affected

more affected

le

ri

Sign. p

Effect r

Slope [°]

M

0.18 ± 0.25

0.35 ± 0.58

0.004 ± 0.008

0.01 ± 0.18

0.749

—

CV

1.42 ± 1.38

3.75 ± 8.73

3.65 ± 3.28

2.27 ± 3.21

0.152

—

DiffM

0.323 ± 0.41

0.61 ± 1.12

0.894

—

DiffCV

15.89 ± 13.62

22.51 ± 11.18

0.200

—

VAmp

M

0.764 ± 0.22

0.796 ± 0.19

0.87 ± 0.14

0.89 ± 0.20

0.049

0.26

CV

0.16 ± 0.07

0.15 ± 0.06

0.14 ± 0.03

0.13 ± 0.06

0.218

—

DiffM

6.56 ± 5.36

3.30 ± 2.17

0.077

—

DiffCV

9.15 ± 6.997

8.05 ± 9.14

0.437

—

Frequency [Hz]

M

13.95 ± 1.36

14.52 ± 1.32

14.19 ± 1.59

14.26 ± 1.10

0.835

—

CV

0.05 ± 0.03

0.04 ± 0.03

0.04 ± 0.02

0.05 ± 0.03

0.798

—

DiffM

1.86 ± 2.74

1.54 ± 1.66

0.894

—

DiffCV

13.65 ± 9.32

9.61 ± 6.68

0.229

—

MMGpect (nPD = 33; nCon = 42)

Less affected

more affected

le

ri

Sign. p

Effect r

Slope [°]

M

0.12 ± 0.21

0.26 ± 0.31

0.26 ± 0.34

0.23 ± 0.25

0.594

—

CV

35.95 ± 130.1

1.52 ± 0.9

11.57 ± 42.0

2.60 ± 2.7

0.432

—

DiffM

0.42 ± 0.40

0.34 ± 0.27

0.877

—

DiffCV

17.94 ± 14.98

17.10 ± 13.46

0.900

—

VAmp

M

0.71 ± 0.19

0.68 ± 0.16

0.87 ± 0.16

0.84 ± 0.16

0.000

0.43

CV

0.13 ± 0.05

0.15 ± 0.07

0.14 ± 0.06

0.14 ± 0.08

0.711

—

DiffM

6.03 ± 2.73

5.28 ± 3.07

0.204

—

DiffCV

12.00 ± 10.04

11.95 ± 7.35

0.627

—

Frequency [Hz]

M

13.81 ± 1.2

13.49 ± 1.1

13.77 ± 1.2

14.03 ± 1.3

0.389

—

CV

0.04 ± 0.03

0.05 ± 0.02

0.05 ± 0.02

0.06 ± 0.05

0.247

—

DiffM

1.77 ± 1.07

2.04 ± 1.52

0.931

—

DiffCV

12.02 ± 10.12

13.29 ± 12.05

0.872

—

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