Table 2 Visual analog score (in centimeter) for both knees in each group before and after treatment

6.9 ± 1.9 (5.0 – 10.0)

2.3 ± 2.7^a (0.0 – 8.0)

0.0001

0.70

7.0 ± 2.1 (4.0 – 10.0)

2.4 ± 2.8^a (0.0 – 7.0)

0.0008

0.68

8.0 ± 1.5 (6.0 – 10.0)

2.6 ± 2.9^a (0.0 – 7.5)

0.0001

0.76

5.6 ± 2.7 (0.0 – 10.0)

2.3 ± 2.5^a (0.0 – 9.0)

0.004

0.53

6.6 ± 3.0 (0.0 – 10.0)

4.5 ± 3.7^a (0.0 – 10.0)

0.009

0.41

7.3 ± 2.3 (4.0 – 10.0)

3.8 ± 3.1 (0.0 – 7.0)

0.054

0.54