Table 3. Open in new tab Patients’...

	Eyes-open condition	Eyes-closed condition
Mean path length, cm/s	1.51 ± 0.68	1.82 ± 0.76	1.92 ± 0.78	2.28 ± 1.24	<.001	2.11 ± 1.27	2.53 ± 1.41	2.45 ± 1.13	2.91 ± 1.59	<.001
RMS, cm	0.73 ± 0.20	0.80 ± 0.23	0.89 ± 0.28	1.04 ± 0.32	<.001	0.79 ± 0.27	0.89 ± 0.32	0.94 ± 0.32	1.10 ± 0.36	<.001
RMS (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
RMS (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Rectangular area, cm²	8.76 ± 5.89	11.20 ± 8.03	13.99 ± 10.88	20.11 ± 14.96	<.001	12.46 ± 11.96	15.84 ± 13.67	17.72 ± 14.92	22.78 ± 18.77	<.001
RMS area, cm²	1.81 ± 1.10	2.15 ± 1.33	2.73 ± 1.97	3.70 ± 2.26	<.001	2.19 ± 1.82	2.82 ± 2.33	3.08 ± 2.26	4.18 ± 2.87	<.001
Center of position (ML), cm	0.11 ± 0.82	0.14 ± 0.95	0.01 ± 1.12	−0.05 ± 1.26	.596	0.01 ± 0.87	0.05 ± 0.99	0.03 ± 1.18	−0.21 ± 1.33	.505
Center of position (AP), cm	−0.84 ± 1.41	−0.75 ± 1.60	−1.22 ± 1.71	−0.99 ± 1.99	.016	−0.50 ± 1.45	−0.47 ± 1.62	−0.95 ± 1.76	−0.89 ± 2.01	.038
SD of position (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
SD of position (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Mean velocity (ML), cm/s	0.83 ± 0.35	0.94 ± 0.38	1.00 ± 0.46	1.14 ± 0.55	<.001	1.13 ± 0.62	1.23 ± 0.65	1.19 ± 0.60	1.39 ± 0.77	.004
Mean velocity (AP), cm/s	0.83 ± 0.35	1.01 ± 0.41	1.07 ± 0.37	1.32 ± 0.68	<.001	1.13 ± 0.63	1.40 ± 0.74	1.37 ± 0.57	1.68 ± 0.85	<.001
SD of velocity (ML), cm/s	1.38 ± 0.58	1.56 ± 0.64	1.68 ± 0.78	1.91 ± 0.94	<.001	1.89 ± 1.04	2.07 ± 1.10	1.99 ± 1.02	2.34 ± 1.28	.003
SD of velocity (AP), cm/s	1.38 ± 0.59	1.68 ± 0.70	1.77 ± 0.63	2.18 ± 1.12	<.001	1.87 ± 1.05	2.32 ± 1.21	2.29 ± 0.97	2.81 ± 1.38	<.001
Power of A-area (ML), %	25.68 ± 6.32	26.37 ± 7.34	26.78 ± 7.46	27.40 ± 7.81	.288	22.02 ± 6.22	22.65 ± 7.20	24.62 ± 7.41	24.13 ± 9.10	.011
Power of B-area (ML), %	60.02 ± 6.39	59.09 ± 6.73	58.76 ± 7.61	57.99 ± 7.41	.059	62.08 ± 6.55	60.88 ± 6.83	60.15 ± 7.75	60.58 ± 8.62	.011
Power of C-area (ML), %	14.30 ± 4.18	14.54 ± 4.38	14.46 ± 4.65	14.61 ± 4.31	.820	15.90 ± 4.50	16.48 ± 5.05	15.23 ± 4.54	15.29 ± 5.41	.027
Power of A-area (AP), %	30.48 ± 7.03	26.54 ± 7.45	27.32 ± 7.45	27.65 ± 7.77	<.001	24.01 ± 6.35	21.69 ± 7.14	23.09 ± 7.83	23.04 ± 8.03	<.001
Power of B-area (AP), %	52.86 ± 6.40	54.88 ± 6.74	54.37 ± 7.01	53.92 ± 6.09	<.001	57.57 ± 6.25	57.52 ± 6.70	56.40 ± 8.30	57.67 ± 6.68	.946
Power of C-area (AP), %	16.66 ± 5.29	18.58 ± 5.76	18.31 ± 6.21	18.43 ± 6.29	<.001	18.42 ± 5.55	20.79 ± 6.54	20.51 ± 6.31	19.30 ± 6.56	<.001

Eyes-open condition

Eyes-closed condition

NC
N = 423

AD
N = 1 206

DLB
N = 111

VaD
N = 49

p Value

NC
N = 423

AD
N = 1 206

DLB
N = 111

VaD
N = 49

p Value

Mean path length, cm/s

1.51 ± 0.68

1.82 ± 0.76

1.92 ± 0.78

2.28 ± 1.24

<.001

2.11 ± 1.27

2.53 ± 1.41

2.45 ± 1.13

2.91 ± 1.59

<.001

RMS, cm

0.73 ± 0.20

0.80 ± 0.23

0.89 ± 0.28

1.04 ± 0.32

<.001

0.79 ± 0.27

0.89 ± 0.32

0.94 ± 0.32

1.10 ± 0.36

<.001

RMS (ML), cm

0.45 ± 0.15

0.53 ± 0.18

0.59 ± 0.22

0.69 ± 0.26

<.001

0.50 ± 0.20

0.59 ± 0.24

0.62 ± 0.25

0.74 ± 0.30

<.001

RMS (AP), cm

0.57 ± 0.18

0.58 ± 0.18

0.65 ± 0.23

0.76 ± 0.23

<.001

0.60 ± 0.22

0.66 ± 0.25

0.69 ± 0.24

0.80 ± 0.26

<.001

Rectangular area, cm²

8.76 ± 5.89

11.20 ± 8.03

13.99 ± 10.88

20.11 ± 14.96

<.001

12.46 ± 11.96

15.84 ± 13.67

17.72 ± 14.92

22.78 ± 18.77

<.001

RMS area, cm²

1.81 ± 1.10

2.15 ± 1.33

2.73 ± 1.97

3.70 ± 2.26

<.001

2.19 ± 1.82

2.82 ± 2.33

3.08 ± 2.26

4.18 ± 2.87

<.001

Center of position (ML), cm

0.11 ± 0.82

0.14 ± 0.95

0.01 ± 1.12

−0.05 ± 1.26

.596

0.01 ± 0.87

0.05 ± 0.99

0.03 ± 1.18

−0.21 ± 1.33

.505

Center of position (AP), cm

−0.84 ± 1.41

−0.75 ± 1.60

−1.22 ± 1.71

−0.99 ± 1.99

.016

−0.50 ± 1.45

−0.47 ± 1.62

−0.95 ± 1.76

−0.89 ± 2.01

.038

SD of position (ML), cm

0.45 ± 0.15

0.53 ± 0.18

0.59 ± 0.22

0.69 ± 0.26

<.001

0.50 ± 0.20

0.59 ± 0.24

0.62 ± 0.25

0.74 ± 0.30

<.001

SD of position (AP), cm

0.57 ± 0.18

0.58 ± 0.18

0.65 ± 0.23

0.76 ± 0.23

<.001

0.60 ± 0.22

0.66 ± 0.25

0.69 ± 0.24

0.80 ± 0.26

<.001

Mean velocity (ML), cm/s

0.83 ± 0.35

0.94 ± 0.38

1.00 ± 0.46

1.14 ± 0.55

<.001

1.13 ± 0.62

1.23 ± 0.65

1.19 ± 0.60

1.39 ± 0.77

.004

Mean velocity (AP), cm/s

0.83 ± 0.35

1.01 ± 0.41

1.07 ± 0.37

1.32 ± 0.68

<.001

1.13 ± 0.63

1.40 ± 0.74

1.37 ± 0.57

1.68 ± 0.85

<.001

SD of velocity (ML), cm/s

1.38 ± 0.58

1.56 ± 0.64

1.68 ± 0.78

1.91 ± 0.94

<.001

1.89 ± 1.04

2.07 ± 1.10

1.99 ± 1.02

2.34 ± 1.28

.003

SD of velocity (AP), cm/s

1.38 ± 0.59

1.68 ± 0.70

1.77 ± 0.63

2.18 ± 1.12

<.001

1.87 ± 1.05

2.32 ± 1.21

2.29 ± 0.97

2.81 ± 1.38

<.001

Power of A-area (ML), %

25.68 ± 6.32

26.37 ± 7.34

26.78 ± 7.46

27.40 ± 7.81

.288

22.02 ± 6.22

22.65 ± 7.20

24.62 ± 7.41

24.13 ± 9.10

.011

Power of B-area (ML), %

60.02 ± 6.39

59.09 ± 6.73

58.76 ± 7.61

57.99 ± 7.41

.059

62.08 ± 6.55

60.88 ± 6.83

60.15 ± 7.75

60.58 ± 8.62

.011

Power of C-area (ML), %

14.30 ± 4.18

14.54 ± 4.38

14.46 ± 4.65

14.61 ± 4.31

.820

15.90 ± 4.50

16.48 ± 5.05

15.23 ± 4.54

15.29 ± 5.41

.027

Power of A-area (AP), %

30.48 ± 7.03

26.54 ± 7.45

27.32 ± 7.45

27.65 ± 7.77

<.001

24.01 ± 6.35

21.69 ± 7.14

23.09 ± 7.83

23.04 ± 8.03

<.001

Power of B-area (AP), %

52.86 ± 6.40

54.88 ± 6.74

54.37 ± 7.01

53.92 ± 6.09

<.001

57.57 ± 6.25

57.52 ± 6.70

56.40 ± 8.30

57.67 ± 6.68

.946

Power of C-area (AP), %

16.66 ± 5.29

18.58 ± 5.76

18.31 ± 6.21

18.43 ± 6.29

<.001

18.42 ± 5.55

20.79 ± 6.54

20.51 ± 6.31

19.30 ± 6.56

<.001

	Eyes-open condition	Eyes-closed condition
Mean path length, cm/s	1.51 ± 0.68	1.82 ± 0.76	1.92 ± 0.78	2.28 ± 1.24	<.001	2.11 ± 1.27	2.53 ± 1.41	2.45 ± 1.13	2.91 ± 1.59	<.001
RMS, cm	0.73 ± 0.20	0.80 ± 0.23	0.89 ± 0.28	1.04 ± 0.32	<.001	0.79 ± 0.27	0.89 ± 0.32	0.94 ± 0.32	1.10 ± 0.36	<.001
RMS (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
RMS (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Rectangular area, cm²	8.76 ± 5.89	11.20 ± 8.03	13.99 ± 10.88	20.11 ± 14.96	<.001	12.46 ± 11.96	15.84 ± 13.67	17.72 ± 14.92	22.78 ± 18.77	<.001
RMS area, cm²	1.81 ± 1.10	2.15 ± 1.33	2.73 ± 1.97	3.70 ± 2.26	<.001	2.19 ± 1.82	2.82 ± 2.33	3.08 ± 2.26	4.18 ± 2.87	<.001
Center of position (ML), cm	0.11 ± 0.82	0.14 ± 0.95	0.01 ± 1.12	−0.05 ± 1.26	.596	0.01 ± 0.87	0.05 ± 0.99	0.03 ± 1.18	−0.21 ± 1.33	.505
Center of position (AP), cm	−0.84 ± 1.41	−0.75 ± 1.60	−1.22 ± 1.71	−0.99 ± 1.99	.016	−0.50 ± 1.45	−0.47 ± 1.62	−0.95 ± 1.76	−0.89 ± 2.01	.038
SD of position (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
SD of position (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Mean velocity (ML), cm/s	0.83 ± 0.35	0.94 ± 0.38	1.00 ± 0.46	1.14 ± 0.55	<.001	1.13 ± 0.62	1.23 ± 0.65	1.19 ± 0.60	1.39 ± 0.77	.004
Mean velocity (AP), cm/s	0.83 ± 0.35	1.01 ± 0.41	1.07 ± 0.37	1.32 ± 0.68	<.001	1.13 ± 0.63	1.40 ± 0.74	1.37 ± 0.57	1.68 ± 0.85	<.001
SD of velocity (ML), cm/s	1.38 ± 0.58	1.56 ± 0.64	1.68 ± 0.78	1.91 ± 0.94	<.001	1.89 ± 1.04	2.07 ± 1.10	1.99 ± 1.02	2.34 ± 1.28	.003
SD of velocity (AP), cm/s	1.38 ± 0.59	1.68 ± 0.70	1.77 ± 0.63	2.18 ± 1.12	<.001	1.87 ± 1.05	2.32 ± 1.21	2.29 ± 0.97	2.81 ± 1.38	<.001
Power of A-area (ML), %	25.68 ± 6.32	26.37 ± 7.34	26.78 ± 7.46	27.40 ± 7.81	.288	22.02 ± 6.22	22.65 ± 7.20	24.62 ± 7.41	24.13 ± 9.10	.011
Power of B-area (ML), %	60.02 ± 6.39	59.09 ± 6.73	58.76 ± 7.61	57.99 ± 7.41	.059	62.08 ± 6.55	60.88 ± 6.83	60.15 ± 7.75	60.58 ± 8.62	.011
Power of C-area (ML), %	14.30 ± 4.18	14.54 ± 4.38	14.46 ± 4.65	14.61 ± 4.31	.820	15.90 ± 4.50	16.48 ± 5.05	15.23 ± 4.54	15.29 ± 5.41	.027
Power of A-area (AP), %	30.48 ± 7.03	26.54 ± 7.45	27.32 ± 7.45	27.65 ± 7.77	<.001	24.01 ± 6.35	21.69 ± 7.14	23.09 ± 7.83	23.04 ± 8.03	<.001
Power of B-area (AP), %	52.86 ± 6.40	54.88 ± 6.74	54.37 ± 7.01	53.92 ± 6.09	<.001	57.57 ± 6.25	57.52 ± 6.70	56.40 ± 8.30	57.67 ± 6.68	.946
Power of C-area (AP), %	16.66 ± 5.29	18.58 ± 5.76	18.31 ± 6.21	18.43 ± 6.29	<.001	18.42 ± 5.55	20.79 ± 6.54	20.51 ± 6.31	19.30 ± 6.56	<.001

Eyes-open condition

Eyes-closed condition

NC
N = 423

AD
N = 1 206

DLB
N = 111

VaD
N = 49

p Value

NC
N = 423

AD
N = 1 206

DLB
N = 111

VaD
N = 49

p Value

Mean path length, cm/s

1.51 ± 0.68

1.82 ± 0.76

1.92 ± 0.78

2.28 ± 1.24

<.001

2.11 ± 1.27

2.53 ± 1.41

2.45 ± 1.13

2.91 ± 1.59

<.001

RMS, cm

0.73 ± 0.20

0.80 ± 0.23

0.89 ± 0.28

1.04 ± 0.32

<.001

0.79 ± 0.27

0.89 ± 0.32

0.94 ± 0.32

1.10 ± 0.36

<.001

RMS (ML), cm

0.45 ± 0.15

0.53 ± 0.18

0.59 ± 0.22

0.69 ± 0.26

<.001

0.50 ± 0.20

0.59 ± 0.24

0.62 ± 0.25

0.74 ± 0.30

<.001

RMS (AP), cm

0.57 ± 0.18

0.58 ± 0.18

0.65 ± 0.23

0.76 ± 0.23

<.001

0.60 ± 0.22

0.66 ± 0.25

0.69 ± 0.24

0.80 ± 0.26

<.001

Rectangular area, cm²

8.76 ± 5.89

11.20 ± 8.03

13.99 ± 10.88

20.11 ± 14.96

<.001

12.46 ± 11.96

15.84 ± 13.67

17.72 ± 14.92

22.78 ± 18.77

<.001

RMS area, cm²

1.81 ± 1.10

2.15 ± 1.33

2.73 ± 1.97

3.70 ± 2.26

<.001

2.19 ± 1.82

2.82 ± 2.33

3.08 ± 2.26

4.18 ± 2.87

<.001

Center of position (ML), cm

0.11 ± 0.82

0.14 ± 0.95

0.01 ± 1.12

−0.05 ± 1.26

.596

0.01 ± 0.87

0.05 ± 0.99

0.03 ± 1.18

−0.21 ± 1.33

.505

Center of position (AP), cm

−0.84 ± 1.41

−0.75 ± 1.60

−1.22 ± 1.71

−0.99 ± 1.99

.016

−0.50 ± 1.45

−0.47 ± 1.62

−0.95 ± 1.76

−0.89 ± 2.01

.038

SD of position (ML), cm

0.45 ± 0.15

0.53 ± 0.18

0.59 ± 0.22

0.69 ± 0.26

<.001

0.50 ± 0.20

0.59 ± 0.24

0.62 ± 0.25

0.74 ± 0.30

<.001

SD of position (AP), cm

0.57 ± 0.18

0.58 ± 0.18

0.65 ± 0.23

0.76 ± 0.23

<.001

0.60 ± 0.22

0.66 ± 0.25

0.69 ± 0.24

0.80 ± 0.26

<.001

Mean velocity (ML), cm/s

0.83 ± 0.35

0.94 ± 0.38

1.00 ± 0.46

1.14 ± 0.55

<.001

1.13 ± 0.62

1.23 ± 0.65

1.19 ± 0.60

1.39 ± 0.77

.004

Mean velocity (AP), cm/s

0.83 ± 0.35

1.01 ± 0.41

1.07 ± 0.37

1.32 ± 0.68

<.001

1.13 ± 0.63

1.40 ± 0.74

1.37 ± 0.57

1.68 ± 0.85

<.001

SD of velocity (ML), cm/s

1.38 ± 0.58

1.56 ± 0.64

1.68 ± 0.78

1.91 ± 0.94

<.001

1.89 ± 1.04

2.07 ± 1.10

1.99 ± 1.02

2.34 ± 1.28

.003

SD of velocity (AP), cm/s

1.38 ± 0.59

1.68 ± 0.70

1.77 ± 0.63

2.18 ± 1.12

<.001

1.87 ± 1.05

2.32 ± 1.21

2.29 ± 0.97

2.81 ± 1.38

<.001

Power of A-area (ML), %

25.68 ± 6.32

26.37 ± 7.34

26.78 ± 7.46

27.40 ± 7.81

.288

22.02 ± 6.22

22.65 ± 7.20

24.62 ± 7.41

24.13 ± 9.10

.011

Power of B-area (ML), %

60.02 ± 6.39

59.09 ± 6.73

58.76 ± 7.61

57.99 ± 7.41

.059

62.08 ± 6.55

60.88 ± 6.83

60.15 ± 7.75

60.58 ± 8.62

.011

Power of C-area (ML), %

14.30 ± 4.18

14.54 ± 4.38

14.46 ± 4.65

14.61 ± 4.31

.820

15.90 ± 4.50

16.48 ± 5.05

15.23 ± 4.54

15.29 ± 5.41

.027

Power of A-area (AP), %

30.48 ± 7.03

26.54 ± 7.45

27.32 ± 7.45

27.65 ± 7.77

<.001

24.01 ± 6.35

21.69 ± 7.14

23.09 ± 7.83

23.04 ± 8.03

<.001

Power of B-area (AP), %

52.86 ± 6.40

54.88 ± 6.74

54.37 ± 7.01

53.92 ± 6.09

<.001

57.57 ± 6.25

57.52 ± 6.70

56.40 ± 8.30

57.67 ± 6.68

.946

Power of C-area (AP), %

16.66 ± 5.29

18.58 ± 5.76

18.31 ± 6.21

18.43 ± 6.29

<.001

18.42 ± 5.55

20.79 ± 6.54

20.51 ± 6.31

19.30 ± 6.56

<.001

Table 3.

Open in new tab

Patients’ Postural Sway Parameters

	Eyes-open condition					Eyes-closed condition
	NC N = 423	AD N = 1 206	DLB N = 111	VaD N = 49	p Value	NC N = 423	AD N = 1 206	DLB N = 111	VaD N = 49	p Value
Mean path length, cm/s	1.51 ± 0.68	1.82 ± 0.76	1.92 ± 0.78	2.28 ± 1.24	<.001	2.11 ± 1.27	2.53 ± 1.41	2.45 ± 1.13	2.91 ± 1.59	<.001
RMS, cm	0.73 ± 0.20	0.80 ± 0.23	0.89 ± 0.28	1.04 ± 0.32	<.001	0.79 ± 0.27	0.89 ± 0.32	0.94 ± 0.32	1.10 ± 0.36	<.001
RMS (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
RMS (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Rectangular area, cm²	8.76 ± 5.89	11.20 ± 8.03	13.99 ± 10.88	20.11 ± 14.96	<.001	12.46 ± 11.96	15.84 ± 13.67	17.72 ± 14.92	22.78 ± 18.77	<.001
RMS area, cm²	1.81 ± 1.10	2.15 ± 1.33	2.73 ± 1.97	3.70 ± 2.26	<.001	2.19 ± 1.82	2.82 ± 2.33	3.08 ± 2.26	4.18 ± 2.87	<.001
Center of position (ML), cm	0.11 ± 0.82	0.14 ± 0.95	0.01 ± 1.12	−0.05 ± 1.26	.596	0.01 ± 0.87	0.05 ± 0.99	0.03 ± 1.18	−0.21 ± 1.33	.505
Center of position (AP), cm	−0.84 ± 1.41	−0.75 ± 1.60	−1.22 ± 1.71	−0.99 ± 1.99	.016	−0.50 ± 1.45	−0.47 ± 1.62	−0.95 ± 1.76	−0.89 ± 2.01	.038
SD of position (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
SD of position (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Mean velocity (ML), cm/s	0.83 ± 0.35	0.94 ± 0.38	1.00 ± 0.46	1.14 ± 0.55	<.001	1.13 ± 0.62	1.23 ± 0.65	1.19 ± 0.60	1.39 ± 0.77	.004
Mean velocity (AP), cm/s	0.83 ± 0.35	1.01 ± 0.41	1.07 ± 0.37	1.32 ± 0.68	<.001	1.13 ± 0.63	1.40 ± 0.74	1.37 ± 0.57	1.68 ± 0.85	<.001
SD of velocity (ML), cm/s	1.38 ± 0.58	1.56 ± 0.64	1.68 ± 0.78	1.91 ± 0.94	<.001	1.89 ± 1.04	2.07 ± 1.10	1.99 ± 1.02	2.34 ± 1.28	.003
SD of velocity (AP), cm/s	1.38 ± 0.59	1.68 ± 0.70	1.77 ± 0.63	2.18 ± 1.12	<.001	1.87 ± 1.05	2.32 ± 1.21	2.29 ± 0.97	2.81 ± 1.38	<.001
Power of A-area (ML), %	25.68 ± 6.32	26.37 ± 7.34	26.78 ± 7.46	27.40 ± 7.81	.288	22.02 ± 6.22	22.65 ± 7.20	24.62 ± 7.41	24.13 ± 9.10	.011
Power of B-area (ML), %	60.02 ± 6.39	59.09 ± 6.73	58.76 ± 7.61	57.99 ± 7.41	.059	62.08 ± 6.55	60.88 ± 6.83	60.15 ± 7.75	60.58 ± 8.62	.011
Power of C-area (ML), %	14.30 ± 4.18	14.54 ± 4.38	14.46 ± 4.65	14.61 ± 4.31	.820	15.90 ± 4.50	16.48 ± 5.05	15.23 ± 4.54	15.29 ± 5.41	.027
Power of A-area (AP), %	30.48 ± 7.03	26.54 ± 7.45	27.32 ± 7.45	27.65 ± 7.77	<.001	24.01 ± 6.35	21.69 ± 7.14	23.09 ± 7.83	23.04 ± 8.03	<.001
Power of B-area (AP), %	52.86 ± 6.40	54.88 ± 6.74	54.37 ± 7.01	53.92 ± 6.09	<.001	57.57 ± 6.25	57.52 ± 6.70	56.40 ± 8.30	57.67 ± 6.68	.946
Power of C-area (AP), %	16.66 ± 5.29	18.58 ± 5.76	18.31 ± 6.21	18.43 ± 6.29	<.001	18.42 ± 5.55	20.79 ± 6.54	20.51 ± 6.31	19.30 ± 6.56	<.001

	Eyes-open condition					Eyes-closed condition
	NC N = 423	AD N = 1 206	DLB N = 111	VaD N = 49	p Value	NC N = 423	AD N = 1 206	DLB N = 111	VaD N = 49	p Value
Mean path length, cm/s	1.51 ± 0.68	1.82 ± 0.76	1.92 ± 0.78	2.28 ± 1.24	<.001	2.11 ± 1.27	2.53 ± 1.41	2.45 ± 1.13	2.91 ± 1.59	<.001
RMS, cm	0.73 ± 0.20	0.80 ± 0.23	0.89 ± 0.28	1.04 ± 0.32	<.001	0.79 ± 0.27	0.89 ± 0.32	0.94 ± 0.32	1.10 ± 0.36	<.001
RMS (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
RMS (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Rectangular area, cm²	8.76 ± 5.89	11.20 ± 8.03	13.99 ± 10.88	20.11 ± 14.96	<.001	12.46 ± 11.96	15.84 ± 13.67	17.72 ± 14.92	22.78 ± 18.77	<.001
RMS area, cm²	1.81 ± 1.10	2.15 ± 1.33	2.73 ± 1.97	3.70 ± 2.26	<.001	2.19 ± 1.82	2.82 ± 2.33	3.08 ± 2.26	4.18 ± 2.87	<.001
Center of position (ML), cm	0.11 ± 0.82	0.14 ± 0.95	0.01 ± 1.12	−0.05 ± 1.26	.596	0.01 ± 0.87	0.05 ± 0.99	0.03 ± 1.18	−0.21 ± 1.33	.505
Center of position (AP), cm	−0.84 ± 1.41	−0.75 ± 1.60	−1.22 ± 1.71	−0.99 ± 1.99	.016	−0.50 ± 1.45	−0.47 ± 1.62	−0.95 ± 1.76	−0.89 ± 2.01	.038
SD of position (ML), cm	0.45 ± 0.15	0.53 ± 0.18	0.59 ± 0.22	0.69 ± 0.26	<.001	0.50 ± 0.20	0.59 ± 0.24	0.62 ± 0.25	0.74 ± 0.30	<.001
SD of position (AP), cm	0.57 ± 0.18	0.58 ± 0.18	0.65 ± 0.23	0.76 ± 0.23	<.001	0.60 ± 0.22	0.66 ± 0.25	0.69 ± 0.24	0.80 ± 0.26	<.001
Mean velocity (ML), cm/s	0.83 ± 0.35	0.94 ± 0.38	1.00 ± 0.46	1.14 ± 0.55	<.001	1.13 ± 0.62	1.23 ± 0.65	1.19 ± 0.60	1.39 ± 0.77	.004
Mean velocity (AP), cm/s	0.83 ± 0.35	1.01 ± 0.41	1.07 ± 0.37	1.32 ± 0.68	<.001	1.13 ± 0.63	1.40 ± 0.74	1.37 ± 0.57	1.68 ± 0.85	<.001
SD of velocity (ML), cm/s	1.38 ± 0.58	1.56 ± 0.64	1.68 ± 0.78	1.91 ± 0.94	<.001	1.89 ± 1.04	2.07 ± 1.10	1.99 ± 1.02	2.34 ± 1.28	.003
SD of velocity (AP), cm/s	1.38 ± 0.59	1.68 ± 0.70	1.77 ± 0.63	2.18 ± 1.12	<.001	1.87 ± 1.05	2.32 ± 1.21	2.29 ± 0.97	2.81 ± 1.38	<.001
Power of A-area (ML), %	25.68 ± 6.32	26.37 ± 7.34	26.78 ± 7.46	27.40 ± 7.81	.288	22.02 ± 6.22	22.65 ± 7.20	24.62 ± 7.41	24.13 ± 9.10	.011
Power of B-area (ML), %	60.02 ± 6.39	59.09 ± 6.73	58.76 ± 7.61	57.99 ± 7.41	.059	62.08 ± 6.55	60.88 ± 6.83	60.15 ± 7.75	60.58 ± 8.62	.011
Power of C-area (ML), %	14.30 ± 4.18	14.54 ± 4.38	14.46 ± 4.65	14.61 ± 4.31	.820	15.90 ± 4.50	16.48 ± 5.05	15.23 ± 4.54	15.29 ± 5.41	.027
Power of A-area (AP), %	30.48 ± 7.03	26.54 ± 7.45	27.32 ± 7.45	27.65 ± 7.77	<.001	24.01 ± 6.35	21.69 ± 7.14	23.09 ± 7.83	23.04 ± 8.03	<.001
Power of B-area (AP), %	52.86 ± 6.40	54.88 ± 6.74	54.37 ± 7.01	53.92 ± 6.09	<.001	57.57 ± 6.25	57.52 ± 6.70	56.40 ± 8.30	57.67 ± 6.68	.946
Power of C-area (AP), %	16.66 ± 5.29	18.58 ± 5.76	18.31 ± 6.21	18.43 ± 6.29	<.001	18.42 ± 5.55	20.79 ± 6.54	20.51 ± 6.31	19.30 ± 6.56	<.001

Notes: AD, Alzheimer’s disease; AP, anterior–posterior; APOE, apolipoprotein E; DLB, dementia with Lewy bodies; ML, medio–lateral; RMS, root mean square; SD, standard deviation; VaD, vascular dementia.

All variables are presented as mean ± standard deviation. The p values calculated by 1-way analysis of variance are presented.

This Feature Is Available To Subscribers Only