At rest

P value

On movement

P value

Average postoperative

4 (0 - 10)

5 (0 - 10)

The worst postoperative

7 (0 - 10)

6.5 (0 - 10)

3 months

0 (0 - 7)

<0.001

0 (0 - 7)

<0.001

6 months

0 (0 - 6)

0.020

0 (0 - 6)

0.008