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Table 1 Performance overview of the CVAR-BCW

From: A novel brain-controlled wheelchair combined with computer vision and augmented reality

Subject

Age (years)

Sex

Semiautomatic mode

Automatic mode

Accuracy (%)

ITR (bits/min)

Average time (s)

Average commands

Accuracy (%)

ITR (bits/min)

Average time (s)

Average commands

S1

29

M

84.0

8.1

90.0

2.5

83.3

8.0

42.0

1.2

S2

27

M

82.6

7.8

84.0

2.3

90.9

10.0

39.0

1.1

S3

25

F

82.1

7.7

102.0

2.8

76.9

6.6

48.0

1.3

S4

29

M

79.3

7.1

90.0

2.9

71.4

5.5

48.0

1.4

S5

31

M

95.2

11.4

78.0

2.1

100

13.4

36.0

1.0

S6

25

M

88.5

9.3

84.0

2.6

90.9

10.0

38.0

1.1

S7

30

F

84.0

8.2

90.0

2.5

90.9

10.0

39.0

1.1

S8

33

M

80.7

7.4

108.0

3.1

71.4

5.5

48.0

1.4

S9

24

M

84.6

8.3

96.0

2.6

71.4

5.5

42.0

1.4

S10

26

M

91.3

10.1

80.0

2.3

100

13.4

36.0

1.0

S11

25

M

88.9

9.4

96.0

2.7

83.3

8.0

42.0

1.2

S12

34

F

87.0

8.9

78.0

2.3

90.9

10.0

38.0

1.1

S13

29

F

77.1

6.6

120.0

3.5

71.4

5.5

54.0

1.4

S14

29

M

81.5

7.6

84.0

2.7

90.9

10.0

39.0

1.1

S15

28

M

85.7

8.6

96.0

2.8

83.3

8.0

42.0

1.2

S16

22

M

80.0

7.2

108.0

3.0

71.4

5.5

49.0

1.4

S17

25

M

75.8

6.3

114.0

3.3

71.4

5.5

45.0

1.4

S18

24

F

79.3

7.1

108.0

2.9

76.9

6.7

42.0

1.3

S19

29

F

87.0

8.9

78.0

2.3

90.9

10.0

39.0

1.1

S20

26

F

88.0

9.2

84.0

2.5

83.3

8.0

42.0

1.2

AVG ± STD

27.5 ± 3.1

––

84.1 ± 5.0

8.3 ± 1.2

93.4 ± 13.0*

2.7 ± 0.4*

83.6 ± 9.8

8.2 ± 2.5

42.4 ± 4.8*

1.2 ± 0.1*

  1. F denotes female and M denotes male
  2. *p value < 0.001 with Mann–Whitney U tests, “––” means not applicable