Variable

Before treatment

After treatment

p(b-a)

1 week

1 month

3 months

6 months

12 months

Knee joint R

6.0 ± 1.28

6.37 ± 1.16

5.5 ± 0.68

4.1 ± 0.48

2.7 ± 0.46

1.9 ± 0.3

0.00

Knee joint L

6.43 ± 1.19

6.73 ± 0.58

5.9 ± 0.55

4.4 ± 0.62

3.5 ± 0.51

2.25 ± 0.43

0.00