Evaluation indicator according to SRS-24 Average score before surgery Average score 12 months after surgery P value Backache 3.57 ± 0.63 4.38 ± 0.45 <0.001 Physique 3.39 ± 0.75 4.12 ± 0.59 <0.001 Movement / manoeuvre function 4.12 ± 0.83 4.32 ± 0.46 <0.01 Movement level 4.25 ± 1.06 4.41 ± 0.82 0.564 Satisfaction level 4.87 ± 0.05 At the time of the last follow-up, the patient was satisfied with the surgery results, the average score of 4.87 showed the high level of satisfaction of the patient.