Preoperative

3-month follow-up

6-month follow-up

12-month follow-up

group A

group D

p-value

group A

group D

p-value

group A

group D

p-value

group A

group D

p-value

JKOM

49.7

±

16.7

36.1

±

15.2

0.005

27.0

±

12.2

16.3

±

12.9

0.0006

19.3

±

11.2

12.5

±

8.9

0.02

18.3

±

12.8

12.0

±

10.1

0.033

Pain and stiffness in knees

18.0

±

5.9

12.7

±

6.1

0.006

8.2

±

4.7

4.9

±

5.0

0.009

5.8

±

4.7

3.2

±

3.4

0.027

3.7

±

3.8

2.6

±

3.0

0.258

Condition in daily life

20.1

±

8.1

13.6

±

6.0

0.005

10.8

±

4.9

6.6

±

4.9

0.003

8.2

±

4.5

4.8

±

3.3

0.005

9.1

±

6.2

5.4

±

4.8

0.015

General activities

10.2

±

5.4

9.2

±

4.2

0.38

7.3

±

5.4

4.5

±

4.6

0.04

4.8

±

4.4

4.4

±

4.4

0.773

4.7

±

4.9

3.7

±

4.0

0.65

Health conditions

1.3

±

1.2

0.6

±

0.9

0.016

0.7

±

1.0

0.3

±

0.9

0.016

0.6

±

1.0

0.1

±

0.2

0.011

0.7

±

1.3

0.4

±

0.6

0.266