Table 3 Values for the group mean errors ( me ), mean standard deviation of the subject errors ( sde ), mean absolute errors ( mae ) and the percent of it ( %mae ) in estimating gait events (IC and FC) and temporal parameters (stride, step, stance and swing time) for the four groups (healthy elderly – E, hemiparetic – H, Parkinson’s disease – P and choreic – C)

E

2 (10)

9 (10)

10

12

-

-

H

0 (17)

3 (15)

17

15

-

-

P

11 (11)

22 (9)

15

22

-

-

C

7 (13)

7 (11)

12

13

-

-

E

7 (15)

16 (9)

20

19

-

-

H

11 (18)

13 (17)

21

21

-

-

P

5 (18)

0 (15)

22

19

-

-

C

2 (14)

6 (13)

18

16

-

-

E

0 (14)

0 (13)

10

10

1%

1%

H

0 (17)

0 (16)

13

12

1%

1%

P

1 (15)

0 (13)

12

10

1%

1%

C

0 (17)

0 (15)

13

12

1%

1%

E

0 (15)

0 (14)

12

12

2%

3%

H

1 (26)

0 (22)

22

22

3%

4%

P

0 (15)

0 (14)

12

11

2%

2%

C

0 (18)

0 (16)

14

13

3%

3%

E

10 (19)

25 (13)

22

28

3%

5%

H

11 (11)

11 (22)

25

25

3%

3%

P

15 (20)

21 (18)

26

27

3%

4%

C

5 (18)

1 (17)

22

19

3%

3%

E

9 (19)

25 (13)

22

27

6%

8%

H

11 (23)

10 (22)

25

25

6%

6%

P

16 (21)

21 (18)

24

27

7%

8%

C

5 (19)

0 (17)

22

19

6%

5%