Table 4 Outcome measures at pre-operation, 6 weeks, 12 weeks, 6 months, and 12 months

WOMAC pain

Pre-op

4.83 ± 2.94

4.96 ± 3.16

> 0.05

6 weeks

4.57 ± 3.80

5.6 ± 4.24

> 0.05

12 weeks

3.10 ± 2.95

3.60 ± 3.12

> 0.05

6 months

1.77 ± 2.06

2.83 ± 2.09

> 0.05

12 months

1.00 ± 1.26

2.73 ± 2.23

< 0.05

WOMAC stiffness

Pre-op

1.07 ± 1.11

1.33 ± 1.49

> 0.05

6 weeks

1.80 ± 1.40

1.9 ± 2.02

> 0.05

12 weeks

1.17 ± 1.32

1.2 ± 1.19

> 0.05

6 months

0.87 ± 1.14

0.93 ± 1.05

> 0.05

12 months

0.63 ± 1.10

0.86 ± 0.94

> 0.05

WOMAC function

Pre-op

13.30 ± 9.26

13.73 ± 11.97

> 0.05

6 weeks

15.93 ± 13.81

14.83 ± 11.00

> 0.05

12 weeks

11.60 ± 12.11

12.7 ± 10.19

> 0.05

6 months

6.70 ± 6.96

10.27 ± 8.53

< 0.05

12 months

4.30 ± 4.04

10.13 ± 8.82

< 0.05

WOMAC total

Pre-op

19.20 ± 11.90

19.90 ± 14.19

> 0.05

6 weeks

22.30 ± 17.67

22.23 ± 13.14

> 0.05

12 weeks

15.87 ± 15.13

17.43 ± 12.05

> 0.05

6 months

9.33 ± 9.44

14.03 ± 9.58

< 0.05

12 months

5.93 ± 5.84

13.73 ± 9.85

< 0.05

VAS rest

Pre-op

1.40 ± 1.48

1.50 ± 1.41

> 0.05

6 weeks

1.47 ± 1.61

1.93 ± 1.57

> 0.05

12 weeks

0.53 ± 1.01

0.97 ± 1.00

> 0.05

6 months

0.30 ± 0.60

0.77 ± 0.94

> 0.05

12 months

0.10 ± 0.30

0.73 ± 0.90

< 0.05

VAS motion

Pre-op

4.50 ± 1.76

4.43 ± 2.13

> 0.05

6 weeks

3.70 ± 1.58

3.8 ± 1.06

> 0.05

12 weeks

2.60 ± 1.99

2.83 ± 1.05

> 0.05

6 months

1.67 ± 1.90

2.53 ± 1.25

> 0.05

12 months

0.77 ± 0.90

2.3 ± 1.21

< 0.05

MOCART

Pre-op

48.33 ± 5.22

48.17 ± 5.68

> 0.05

12 months

73.45 ± 6.28

52.68 ± 7.26

< 0.05