Variable

Before treatment

After treatment

p(b-a)

1 week

1 month

3 months

6 months

12 months

General WOMAC

$\overline{X}$

55.93

54.00

43.93

30.53

25.67

10.37

0.00

SD

5.56

5.60

4.64

3.39

3.44

1.56

Pain WOMAC

$\overline{X}$

12.47

12.17

10.03

6.30

4.20

2.17

0.00

SD

2.47

2.90

2.70

2.17

1.52

0.95

Mobility WOMAC

$\overline{X}$

40.00

38.37

31.70

23.17

20.57

7.33

0.00

SD

3.86

3.99

2.72

2.27

2.40

0.99

Stiffness WOMAC

$\overline{X}$

3.47

3.47

2.20

1.07

0.90

0.87

0.00

SD

1.14

1.14

0.61

0.45

0.40

0.34