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Table 5 Comparison between the different studied groups according to timed up and go test and six meter walk time

From: The effect of combined balance and strength exercise program in patients with different grades of primary knee osteoarthritis

Timed up and go test

(Mean ± SD)

Group 1 (n = 20)

Group 2 (n = 20)

Group 3 (n = 20)

Group 4 (n = 20)

H

p

 

Before

After

Before

After

Before

After

Before

After

  

Total score (sec)

12.1 ± 1.36

9.89 ± 0.78

11.91 ± 1.5

9.98 ± 0.98

12.9 ± 1.88

10.53 ± 1.5

14.7 ± 2.35

12.3 ± 1.97

  

 t (p0)

9.302* (< 0.001*)

10.164* (< 0.001*)

7.816* (< 0.001*)

9.299* (< 0.001*)

  

 Mean difference

2.22 ± 1.06

1.93 ± 0.85

2.39 ± 1.36

2.45 ± 1.18

1.425

0.700

 Percentage of change

17.78 ± 6.84

15.75 ± 6.17

17.94 ± 7.93

16.41 ± 6.69

0.213

0.975

Stand up (sec)

1.10 ± 0.21

0.82 ± 0.15

1.12 ± 0.26

0.88 ± 0.16

1.28 ± 0.35

0.91 ± 0.21

1.33 ± 0.30

1.08 ± 0.28

  

 t (p0)

5.715* (< 0.001*)

5.670* (< 0.001*)

5.895* (< 0.001*)

3.603* (0.002*)

  

 Mean difference

0.28 ± 0.22

0.25 ± 0.19

0.38 ± 0.28

0.25 ± 0.31

2.277

0.517

 Percentage of change

23.69 ± 15.74

19.49 ± 13.94

26.22 ± 18.32

16.87 ± 21.35

1.883

0.597

Walk 1(sec)

3.79 ± 0.57

3.18 ± 0.29

3.73 ± 0.59

3.18 ± 0.32

3.89 ± 0.63

3.19 ± 0.49

4.60 ± 1.0

3.93 ± 0.78

  

 t (p0)

5.395* (< 0.001*)

5.627* (< 0.001*)

5.246* (< 0.001*)

5.418* (< 0.001*)

  

 Mean difference

0.61 ± 0.51

0.55 ± 0.44

0.7 ± 0.59

0.68 ± 0.56

0.649

0.885

 Percentage of change

15.07 ± 9.72

13.68 ± 9.25

16.79 ± 12.18

13.73 ± 10.05

0.457

0.928

Turn (sec)

1.41 ± 0.35

1.19 ± 0.25

1.50 ± 0.29

1.16 ± 0.26

1.65 ± 0.32

1.29 ± 0.33

1.76 ± 0.42

1.40 ± 0.3

  

 t (p0)

3.535* (0.002*)

9.121* (< 0.001*)

4.460* (< 0.001*)

5.401* (< 0.001*)

  

 Mean difference

0.22 ± 0.28

0.34 ± 0.17

0.37 ± 0.37

0.36 ± 0.3

3.350

0.341

 Percentage of change

13.03 ± 20.44

22.62 ± 10.17

20.79 ± 19.42

18.43 ± 16.65

3.110

0.375

Walk 2 (sec)

3.73 ± 0.51

3.07 ± 0.36

3.69 ± 0.47

3.20 ± 0.33

3.85 ± 0.59

3.34 ± 0.55

4.68 ± 1.01

3.90 ± 0.7

  

 t (p0)

6.990* (< 0.001*)

6.861* (< 0.001*)

5.852* (< 0.001*)

6.597* (< 0.001*)

  

 Mean difference

0.66 ± 0.42

0.49 ± 0.32

0.51 ± 0.39

0.78 ± 0.53

5.839

0.120

 Percentage of change

16.97 ± 9.62

12.73 ± 7.73

12.89 ± 8.65

15.74 ± 8.8

3.675

0.299

Sit down (sec)

2.08 ± 0.54

1.63 ± 0.4

1.87 ± 0.38

1.57 ± 0.3

2.25 ± 0.44

1.81 ± 0.4

2.34 ± 0.5

1.96 ± 0.5

  

 t (p0)

4.321* (< 0.001*)

4.629* (< 0.001*)

4.311* (< 0.001*)

5.473* (< 0.001*)

  

 Mean difference

0.45 ± 0.46

0.31 ± 0.29

0.45 ± 0.46

0.38 ± 0.31

0.752

0.861

 Percentage of change

19.06 ± 16.29

14.86 ± 14.14

18.34 ± 17.51

15.38 ± 11.86

0.759

0.859

 

Before

After

Before

After

Before

After

Before

After

F

P

6m walk time (sec)

7.47 ± 1.09

6.25 ± 0.59

7.42 ± 0.96

6.38 ± 0.56

7.73 ± 1.17

6.53 ± 1.0

9.28 ± 1.96

7.83 ± 1.44

  

t (p0)

6.254* (< 0.001*)

7.615* (< 0.001*)

5.866*(< 0.001*)

6.516* (< 0.001*)

  

Mean difference

1.23 ± 0.88

1.04 ± 0.61

1.20 ± 0.91

1.46 ± 1.0

0.786

0.506

Percentage of change

19.69 ± 13.42

16.15 ± 9.27

19.30 ± 15.93

18.54 ± 11.93

0.305

0.822

  1. H H for Kruskal Wallis test, Pairwise comparison bet. each 2 groups was done using Post Hoc Test (Dunn's for multiple comparisons test)p: p value for comparing between the studied groups
  2. F F for ANOVA test
  3. t Paired t-test
  4. SD Standard deviation
  5. Sec Seconds
  6. 6 m six meter
  7. p p value for comparing between the studied groups
  8. p0 p value for comparing between before and after exercise program
  9. *Statistically significant at p ≤ 0.05