Table : Visual analogue Scale

Time

VAS

6 weeks

4.2 ± 0.91

3 months

3.6 ± 0.98

6 months

3.14 ± 1.007

9 months

2.57 ± 0.92

12 months

2.03 ± 1.10

18 months

1.46 ± 0.98

24 months

0.80 ± 1.32