Variable

Before treatment

After treatment

p(b-a)

1 week

1 month

3 months

6 months

12 months

General WOMAC

$\overline{X}$

53.97

55.00

42.93

33.90

19.43

10.07

0.00

SD

5.57

5.60

4.64

4.51

3.51

1.59

Pain WOMAC

$\overline{X}$

12.17

12.17

11.03

9.30

4.20

3.17

0.00

SD

2.90

2.90

2.70

2.16

1.51

0.95

Mobility WOMAC

$\overline{X}$

38.33

39.37

29.70

23.53

14.57

6.33

0.00

SD

3.95

3.99

2.73

3.44

2.40

0.99

Stiffness WOMAC

$\overline{X}$

3.47

3.47

2.20

1.07

0.67

0.57

0.00

SD

1.14

1.14

0.61

0.45

0.55

0.50