Table 4 Gait and balance performance assessments

Gait speed—4-m walk test

(time (seconds) to complete 4m)

n=30

n=29

n=26

n=21

n=20

n=20

 Median [IQR]

7.72 [5.73, 10.77]

7.88 5.8 [4, 10.77]

7.17 [5.42, 11.86]

7.39 [4.87, 10.11]

7.97 [5.07, 10.77]

7.35 [5.07, 8.52]

 Mean (SD)

10.39 (7.73)

10.00 (6.91)

10.26 (7.50)

8.41 (4.92)

8.84 (4.64)

8.44 (4.83)

Gait speed—4-m walk test

(m/s)

n=30

n=29

n=26

n=21

n=20

n=20

 Median [IQR]

0.52 [0.37, 0.70]

0.51 [0.38, 0.69]

0.56 [0.34, 0.74]

0.54 [0.40, 0.83]

0.51 [0.37, 0.79]

0.55 [0.47, 0.79]

 Mean (SD)

0.53 (0.23)

0.51 (0.20)

0.54 (0.25)

0.60 (0.25)

0.56 (0.24)

0.59 (0.23)

Rivermead Mobility Index

(scored 0 to 15)

n=30

n=29

n=26

n=21

n=22

n=20

 Median [IQR]

13 [11, 14]

13 [11, 13]

13 [11, 14]

13 [12, 14]

13 [11, 14]

13 [11, 14]

 Mean (SD)

12 (3)

12 (3)

12 (2)

12 (2)

12 (2)

12 (2)

Functional Ambulation Category

(scored 0 to 5)

n=30

n=29

n=26

n=21

n=21

n=20

 Min

3

0

3

4

4

4

 Max

5

5

5

5

5

5

 Median [IQR]

5 [4, 5]

5 [4, 5]

5 [4, 5]

5 [5, 5]

5 [4, 5]

5 [4, 5]

 Mean (SD)

5 (1)

4 (1)

5 (1)

5 (<0.5)

5 (1)

5 (1)

Mini Balance Evaluation Systems Test

(scored 0 to 28)

n=29

n=27

n=25

n=21

n=20

n=20

 Median [IQR]

15 [10, 19]

14 [10, 19]

15 [10, 22]

16 [10, 20]

13 [10, 22]

16 [8, 21]

 Mean (SD)

15 (6)

14 (5)

15 (6)

15 (5)

15 (6)

15 (7)

Activities Specific Balance Confidence Scale

(scored 0 to 100)

n=23

n=26

n=23

n=18

n=19

n=15

 Median [IQR]

61 [48, 82]

61 [44, 82]

69 [45, 87]

75 [62, 85]

66 [53, 77]

70 [60, 92]

 Mean (SD)

61 (20)

61 (23)

68 (21)

75 (14)

65 (19)

70 (19)