Table 4 Results in the overall follow-up

Mean overall follow-up time

49 months

min: 16

max: 90

79 months

min: 23

max: 120

Cases with re-revision

10% (n = 10)

29% (n= 46)

Revision due to dislocation

Ø (n= 0)

11% (n= 17)

 Within 3 months

1%

16%

 Within 3 to 6 months

2%

2%

 More than 6 months

7%

11%

 1

9%

23%

 2

ø

4%

 ≥ 3

1%

2%

Average pre-operative pain score

7.38

7.22

Average post-operative pain score

1.91

2.83

Difference of post−/pre-op. pain score

- 5.48

- 4.41

 Pain

1.47

2.32

 Stiffness

1.88

2.69

 Physical function

2.66

3.76

 Total score

2.00

2.92